Weil-McLain CGa User's Manual
Contents
1. Do not try to light any appliance Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Es LIGHTING instructions l 2 3 4 5 8 Stop Read the safety information above on this label Set the thermostat to lowest setting When equipped with Effikal vent damper Model RVGP place service switch in Hold Damper Open position Turn off all electrical power to the appliance When equipped with Johnson Controls vent damper Model M35 manually rotate damper blade in direction of arrow to Open position indicated on damper assembly Turn gas control knob clockwise to OFF When equipped with vent damper verify damper blade is in full open position position ware SC O Ep Gas shown in ON position control knob Red reset button 59334 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety information above If you don t smell gas go to the next step 10 l1 12 13 14 15 16 LZ 9 9 Replace front panel Remove access panel located above burners Find pilot follow metal tube from gas control The pilot is between two burners behind the access panel Turn gas control knob counterclockwise2. Honeywell VR8204 VR8304 White Rodgers 36C Robertshaw 7200 Robertshaw 7000 DERHC Models CGa 25 CGa 8 EG 30 EG 75 PEG 30 PEG 55 PFG 5 CGi CGs CGa 25 CGa 6 EG 30 EG 50 PEG 30 PEG 50 CGi CGs CGa 7 CGa 8 EG 55 EG 75 PEG 55 PFG 5 CGi CGs CGa 25 CGa 6 EG 30 EG 50 PEG 30 PEG 50 EGH 85 EGH 125 PFG 6 PFG 8 ii Part Number 550 110 592 1099 User s Information Manual Lighting instructions e Standing pilot e Gas valve Honeywell VR8200 VR8300 CGa EG 30 to EG 65 PEG 3O to PEG 55 ES FORYOUR SAFETY READ BEFORE LIGHTING 8 A This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instructions exactly Before LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor D because some gas is heavier than air and will settle on the floor See below C Use only your hand to push down the reset button or turn the gas control knob Never use tools If the knob or reset button will not operate by hand don t try to repair it call a qualified service technician Force or attempted repair may result in a fire or explosion Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water WHAT TO DO IF YOU SMELL GAS
3. manual reset Probe type low water cutoff no H o Gauge glass assembly 50209 Part Number 550 110 592 1099 User s Information Manual Clean gauge glass Normal waterline on a steam boiler is halfway up gauge glass See Figure 9 Clean when needed 1 Close lower gauge cock 2 Open pet cock 3 Open lower gauge cock and allow a small amount of water to flush out through open pet cock 4 Close pet cock 5 Open lower gauge cock severe burns 6 If gauge glass breaks close both gauge cocks and call a qualified service technician to replace gauge glass Do not replace with thin glass tubing Operate boiler relief valve To avoid water damage or scalding due to valve operation a metal discharge line must be connected to relief valve outlet and run to a safe place of disposal This discharge line must be installed by a qualified heating installer or service technician in accordance with the instructions in the Boiler Manual The discharge line must be terminated so as to eliminate possibility of severe burns should the valve discharge Before proceeding verify that the relief valve outlet has been piped to a safe place of discharge avoiding any possibility of scalding from hot water Read the boiler pressure temperature gauge to make Part Number 550 110 592 1099 Boiler pressure must be low to eliminate potential of _I Service periodically continued
4. 4 Depress and move selector arm to OFF Do not force 2 Turn off all electric power to the appliance if service is to 5 Replace front panel be performed 3 Remove front panel Part Number 550 110 592 1099 19 CGa CGi CGs EG EGH LGB PEG PFG Boilers Operating instructions EGH 85 to EGH 125 e Spark ignited pilot PFG 6 to PFG 8 e Gas valve Robertshaw 7OOODERHC ESC FORYOUR SAFETY READ BEFORE LIGHTING 08 A This appliance is equipped with an ignition C Use only your hand to turn the gas control knob Never use tools If device which automatically lights the pilot Do the selector arm will not depress or move by hand don t try to repair not try to light the pilot by hand it call a qualified service technician Force or attempted repair may B Before OPERATING smell all around the result in a fire or explosion appliance area for gas Be sure to smell next to D Do not use this appliance if any part has been under water the floor because some gas is heavier than air and Immediately call a qualified service technician to inspect the appliance will settle on the floor See below and to replace any part of the control system and any gas control which has been under water WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance e Immediately call your gas supplier from a neighbor s hone Follow the gas supplier s instructions Do not touch any electric switch do not use any phone P be P
5. Rollout thermal fuse element Draft hood CGa only Circulator Relief valve Gauge pressure or pressure temperature Part Number 550 110 592 1099 User s Information Manual EG EGH amp Not shoym magia Gas valve Pilot burner Main burner 1 2 3 4 Gas manifold orifices 5 Control module 7 Vent damper 9 Transformer 10 Spill switch 12 Rollout thermal fuse element 13 Low water cutoff steam boilers 14 Limit control s 15 Draft hood 16 Circulator 18 Gauge pressure or pressure temperature 19 Gauge glass steam only Part Number 550 110 592 1099 PAG B only 15 A IF IPFO ahliy E3 FAE i a 2G 3 A Sot shown THE LGB A Not shown iii 5 CGa CGi CGs EG EGH LGB PEG PFG Boilers Maintain boiler using schedule below Service technician covered in Boiler Manual for use only by a qualified service technician Owner maintenance see following pages for instructions Inspect Check boiler area e Reported problems Check air openings e Boiler area Check boiler pressure temperature gauge e Air openings Check boiler interior piping Flue gas vent system Check venting system Pilot and main burner flames Check air vents Water piping Monthly Check boiler relief valve e Boiler heating surfaces Check automatic air vents if e Burners base and inlet air box used Service Periodically e Test low water cutoff if used e Ojile
6. liability of any nature for unsatisfactory performance caused by improper installation 3 Any costs for labor for removal and reinstallation of the alleged defective part transportation to Weil McLain if necessary and any other materials necessary to perform the exchange 4 Improper burner adjustments control settings care or maintenance Information is included in the installation Instructions Owner s Information Manual and or Start up Service and Maintenance Instructions and other printed technical material furnished by Weil McLain with the boiler 5 Boilers operated with combustion air contaminated externally by chemical vapors or with improper fuel additives or with water conditions which may have caused unusual deposits in the cast iron sections These warranties extend only to the first retail purchaser of the boiler and only to a boiler that has not been moved from its original installation site THE WARRANTIES DESCRIBED ABOVE ARE IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE AND MERCHANTABILITY WEIL McLAIN EXPRESSLY DISCLAIMS AND EXCLUDES ANY LIABILITY FOR CONSEQUENTIAL INCIDENTAL INDIRECT OR PUNITIVE DAMAGES FOR BREACH OF ANY EXPRESS OR IMPLIED WARRANTY For prompt product warranty claims notify the installer who in turn will notify the Weil McLain distributor from whom he purchased the boiler If this action d
7. If boiler fails to start check above a Loose connection or blown fuse o Gas supply gt 2 Turn operation control to OFF position b Limit setting below boiler water or lowest position on dial Be sure boiler temperature or pressure Manual main has been correctly filled with water Ta shutoff gas r c Gas not turned on at meter a a valve a Turn off all electrical power to the d Gas not turned on at boiler appliance e Operation safety devices not CAUTION Main shutoff gas valve working or tripped must be closed for at least five 5 minutes before Reset system by turning off and on Ground joint lighting main electrical switch If above failes Union to eliminate the trouble call a service 4 Move operating control to call for heat technician HA To gas valve and drip leg 59207 5 Open manual main shutoff gas valve 9 Make sure boiler goes through several normal operating cycles 6 Turn on electrical power to the appliance 10 Turn operating control to desired 7 Ifboiler starts go to Step 9 If boiler fails setting to start go to Step 8 SSS ANNUAL SHUTDOWN PROCEDURE 1 Close manual main shutoff valve 3 Move operating control indicator to low setting 2 Disconnect electrical power supply 4 DONOT drain system unless exposure to freezing temperatures will occur If antifreeze is used with system do not drain 22 Part Number 550 110 592 1099 User s
8. Information Manual Common problems and solutions Common Causes Thermostat installed where drafts or heat affect reading Rapid cycling boiler turns on and off frequently Heat anticipator in thermostat adjusted incorrectly Incorrect limit setting Insufficient water flow through boiler Frequent release of Expansion tank sized too small water through relief valve Flooded expansion tank Inoperative limit control Need to frequently Leaks in boiler or piping add makeup water Black water Oxygen corrosion due to leaks in condition boiler and piping Popping or percolating noise Mineral deposits in sections due to constant use of makeup water heard in boiler Incorrect pH of boiler water Insufficient water flow through boiler Metal flakes found in Contaminated combustion air vent outlet or vent supply See page 3 in this flueway corrosion manual Condensation of combustion gases in boiler sections Some radiators or Air in system baseboard units do not heat or are noisy Low system pressure High limit set too low Part Number 550 110 592 1099 Possible Corrections Locate thermostat on inner wall away from heat sources or cool drafts Adjust thermostat per manufacturer s instructions Set limit according to system needs Maximum setting is 220 F Increase limit setting to decrease cycling Check all valves to and from boiler Return to proper setti
9. When equipped with Johnson Controls vent damper Model M35 manually rotate damper blade in direction 12 Hold selector arm in SET position and immediately light of arrow to Open position indicated on damper assembly Depress and move selector arm left W to OFF the pilot with a match Continue to hold selector arm to SET for about one half minute after the pilot is lit When equipped with vent damper verify damper blade 13 Release selector arm If pilot does not remain lit repeat Me ie steps 6 through 13 is in full open position l l l a If the pilot will not stay lit after several tries move PFS selector arm left W to OFF and call your service Position Ke 10 Selector technician or gas supplier indicator j l arm 14 Replace access panel shown in 15 Turn selector arm left to ON OFF position i lt d 16 Turn on all electric power to the appliance 59332 Me 17 When equipped with Effikal vent damper place service Eaa l switch in Automatic Operation position 8 Wait five 5 minutes to clear out any gas Then smell for 18 Set thermostat to desired setting gas including near the floor If you smell gas STOP Follow B in the safety information above If you don t smell gas go to the next step DS TOTURN OFF GASTOTHE APPLIANCE 00 3 Remove front panel 19 Re
10. the pilot Do not try to light the pilot by hand Depress gas control knob slightly and turn clockwise Y to OFF Note Knob cannot be turned to OFF unless knob is depressed slightly Do not force Gas control knob Position indicator shown in ON position 59330 8 10 11 12 13 14 15 When equipped with vent damper verify damper blade is in full open position Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety information above If you don t smell gas go to the next step Turn gas control knob counterclockwise to ON Turn on all electric power to the appliance When equipped with Effikal vent damper place service switch in Automatic Operation position Set thermostat to desired setting If the appliance will not operate follow the instructions To Turn Off Gas To The Appliance and call your service technician or gas supplier Replace front panel TOTURN OFF GASTOTHE APPLIANCE M 18 Set the thermostat to lowest setting Turn off all electric power to the appliance if service is to be performed Remove front panel 4 5 Depress gas control knob slightly and turn clockwise yX to OFF Do not force Replace front panel Part Number 550 110 592 1099 User s Information Manual Operating instructions CGa 25 to CGa
11. to OFF Do not be performed force 5 Replace jacket front panel Part Number 550 110 592 1099 21 CGa CGi CGs EG EGH LGB PEG PFG Boilers Operating instructions LGB e Spark ignited pilot EE FOR YOUR SAFETY READ BEFORE OPERATING I A This appliance does not have a pilot It is equipped C Use only your hand to turn the operating control Never use with an ignition device which automatically lights tools If the operating control will not turn by hand don t try the burner Do not try to light the burner by hand to repair it call a qualified service technician Force or at tempted repair may result in a fire or explosion B Before OPERATING smell all around the appliance area for gas Be sure to smell next to the D Do not use this appliance if any part has been under water floor because some gas is heavier than air and Immediately call a qualified service technician to inspect the will settle on the floor See below appliance and to replace any part of the control system and any gas control which has been under water WHAT TO DO IF YOU SMELL GAS e Do not try to light any appliance e Immediately call your gas supplier from a neighbor s phone l l Follow the gas supplier s instructions e Do not touch any electric switch do not use i any phone in your building e Ifyou cannot reach your gas supplier call the fire department EME TOPLACEIN OPERATION 1 Stop Read the safety information 8
12. 2 Underfired Small flame Inner cone not engulfing pilot flame sensor 3 Lack of primary air Yellow flame tip 4 Incorrectly heated pilot flame sensor Figure 5 Pilot burner and flame typical Spark electrode Pilot flame sensor spark ignited pilots Thermocouple standing pilots 59318 Part Number 550 110 592 1099 Main burner flame Proper main burner flame see Figure 6 1 Yellow orange streaks may appear caused by dust Improper main burner flame 1 Overfired Large flames 2 Underfired Small flames 3 Lack of primary air Yellow tipping on flames sooting will occur Figure 6 Main burner flame typical Transparent blue flame Clean vent termination amp air intake screens CGs boilers only 1 Remove all lint and debris from both the boiler air intake screen and the flue discharge screen The boiler control module will sense blockage of the air intake or flue and lockout if the blockage is excessive It will signal the failure by flashing the appropriate indicator lights on the control board 2 If removing the debris does not allow the boiler to operate correctly afterwards contact your qualified service technician to inspect the boiler and vent air systems Check condensate drain system 1 Inspect condensate drain fittings and tubing Verify that condensate can flow freely to drain 10 CGa CGi CGs EG EGH LGB PEG PFG Boilers Service
13. 50 110 592 1099 Failure to adhere to the guidelines on this page can result in severe personal injury death or substantial property damage Products to avoid Spray cans containing chloro fluorocar bons Permanent wave solutions Chlorinated waxes cleaners Chlorine based swimming pool chemicals Calcium chloride used for thawing Sodium chloride used for water softening Refrigerant leaks Paint or varnish removers Hydrochloric acid muriatic acid Cements and glues Antistatic fabric softeners used in clothes dryers Chlorine type bleaches detergents and cleaning solvents found in household laundry rooms Adhesives used to fasten building products and other similar products Areas likely to have contaminants Dry cleaning laundry areas and establish ments Swimming pools Metal fabrication plants Beauty shops Refrigeration repair shops Photo processing plants Auto body shops Plastic manufacturing plants Furniture refinishing areas and establish ments New building construction Remodeling areas Garages with workshops CGa CGi CGs EG EGH LGB PEG PFG Boilers Boiler components O ON OO OF RP W DN k ok ml oO1 NDS O 00 Gas valve Pilot burner Main burner Gas manifold orifices Control module Inducer CGi and CGs only Vent damper CGa only Water temperature limit switch Transformer Spill switch CGa only Air pressure switch CGi and CGs only
14. 6 lt e Spark ignited pilot EG 30 to EG 50 e Gas valve Robertshaw 7200 PEG 30 to PEG 50 DS FORYOUR SAFETY READ BEFORE OPERATING M A This appliance is equipped with an ignition C Use only your hand to depress or move the selector arm Never use device which automatically lights the pilot Do tools If the selector arm will not depress or move by hand don t try not try to light the pilot by hand to repair it call a qualified service technician Force or attempted B Before OPERATING smell all around the La a a a appliance area for gas Be sure to smell next to D Do not use this appliance if any part has been under water the floor because some gas is heavier than air and Immediately call a qualified service technician to inspect the appliance will settle on the floor See below and to replace any part of the control system and any gas control which has been under water WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance e Immediately call your gas supplier from a neighbor s i hone Follow the gas supplier s instructions Do not touch any electric switch do not use any phone P 5 PP in your building If you cannot reach your gas supplier call the fire department ED OPERATING INSTRUCTIONS Stop Read the safety information above on this label 8 When equipped with vent damper verify damper blade 2 Set the thermostat to lowest setting is in full open position 3 When equipped with E
15. CGa CGi CGs EG EGH LGB PEG PFG CGas Fired Boilers User s Information Manual INSTALLER Please take time to review this User s Information Manual with the boiler owner Explain all maintenance and service procedures and the correct Lighting or Operating Instructions If the information in this manual is not followed exactly a fire or explosion may result causing property damage personal injury or loss of life Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service technician or the gas supplier Part Number 550 110 592 1099 CGa CGi CGs EG EGH LGB PEG PFG Boilers Please read this page first How to use this Read list of air contaminants you must avoid If Prevent air found either remove products permanently contamination or isolate boiler and provide outside com bustion air Identify boiler The illustration on page 4 or 5 will show you the components location of the main components Use the Lighting Operating instruction sh
16. ERATING smell all around the appliance area for gas Be sure to smell next to D Do not use this appliance if any part has been under water the floor because some gas is heavier than air and Immediately call a qualified service technician to inspect the appliance will settle on the floor See below and to replace any part of the control system and any gas control which has been under water WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance e Immediately call your gas supplier from a neighbor s i hone Follow the gas supplier s instructions Do not touch any electric switch do not use any phone P 5 PP in your building If you cannot reach your gas supplier call the fire department ED OPERATING INSTRUCTIONS Stop Read the safety information above on this label 8 When equipped with vent damper verify damper blade is in full open position 2 Set the thermostat to lowest setting pen p 3 When equipped with Effikal vent damper Model RVGP 9 Wait five 5 minutes to clear out any gas Then smell for place service switch in Hold Damper Open position gas including near the floor If you smell gas STOP Follow 4 Turn off all electrical power to the appliance B in the safety information above If you don t smell gas go to the next step 5 When equipped with Johnson Controls vent damper Model M35 manually rotate damper blade in direction 10 Prange ot lk lockwise N N of arrow to Open position indicated on
17. N to PILOT Push in red reset button and hold Immediately light the pilot with a match Continue to hold reset button in for about one 1 minute after the pilot is lit Release reset button Pilot should remain lit If pilot goes out repeat steps 6 through 13 59336 If reset button stays depressed after release stop and immediately call your service technician or gas supplier If the pilot will not stay lit after several tries turn the gas control knob clockwise to OFF and call your service technician or gas supplier Replace access panel Turn gas control knob counterclockwise to ON Turn on all electric power to the appliance When equipped with Effikal vent damper place service switch in Automatic Operation position Set thermostat to desired setting DS TOTURN OFF GASTOTHE APPLIANCE M L A Set the thermostat to lowest setting Turn off all electric power to the appliance if service is to be performed Part Number 550 110 592 1099 3 Remove front panel 4 Turn gas control knob clockwise to OFF 5 Replace front panel 13 CGa CGi CGs EG EGH LGB PEG PFG Boilers Lighting instructions e Standing pilot e Gas valve Robertshaw 7200 CGa 25 to CGa 6 EG 30 to EG 50 PEG 30 to PEG 50 ESC FORYOUR SAFETY READ BEFORE LIGHTING 08 C Use only your hand to depress the selector arm Never use tools If the selector arm will not move by hand don t try to r
18. P in your building If you cannot reach your gas supplier call the fire department TET OPERATING INSTRUCTIONS Stop Read the safety information above on this label 2 Set the thermostat to lowest setting 3 When equipped with Effikal vent damper Model RVGP place service switch in Hold Damper Open position 4 Turn off all electrical power to the appliance Gas control knob 5 When equipped with Johnson Controls vent damper Model M35 manually rotate a a damper blade in direction of arrow to Open position indicated on damper assembly Position 6 Turn gas control knob clockwise to OFF 4 indicator 7 When equipped with vent damper verify damper blade is in full open position eis 2 8 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety information above If you don t smell gas go to the next step H i 9 Turn gas control knob counterclockwise to PILOT 59205b 10 Turn on all electric power to the appliance 11 When equipped with Effikal vent damper place service switch in Automatic Operation position 12 Set thermostat to desired setting 13 If the appliance will not operate follow the instructions TO TURN OFF GAS TO APPLIANCE below and call your service technician or gas supplier 4 Replace front panel SES TOTURN OFF GASTOTHE APPLIANCE M 1 Set the thermostat to lowest setting 3 Remove front panel 2 T
19. a Figure 9 Gauge glass _I Service every 6 months sure the system is pressurized Lift the relief valve top lever slightly allowing water to relieve through the valve and discharge piping If water flows freely release the lever and allow the valve to seat Watch the end of the relief valve discharge pipe to ensure that the valve does not weep after the line has had time to drain If the valve weeps lift the seat again to attempt to clean the valve seat If the valve continues to weep afterwards contact your qualified service technician to inspect the valve and system If water does not flow from the valve when you lift the lever completely the valve or discharge line may be blocked Immediately shutdown the boiler following the instructions on the inside jacket top Lighting Instructions Call your qualified service technician to inspect the boiler and system 11 12 Table 2 Lighting Operating instruction guide CGa CGi CGs EG EGH LGB PEG PFG Boilers End of season shutdown Follow boiler shutdown procedure 1 Follow TO TURN OFF GAS TO APPLIANCE on the Lighting Operating instructions on the inside of the jacket panel You will also find these instructions on pages 13 through 22 of this manual Use the Lighting Operating instruction for the gas valve model installed on the boiler Propane gas odorant Propane boilers only Your propane suppli
20. air may result in a fire or explosion Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department ES OPERATING INSTRUCTIONS Stop Read the safety information above on this label Set the thermostat to lowest setting When equipped with Effikal vent damper Model RVGP place service switch in Hold Damper Open position Turn off all electrical power to the appliance 5 When equipped with Johnson Controls vent damper Model M35 manually rotate damper blade in direction of arrow to Open position indicated on damper assembly This appliance is equipped with an ignition device which automatically lights the pilot Do not try to light the pilot by hand Turn gas control knob clockwise to OFF Ne i Honeywell a Position indicator shown in ON position 59331 8 10 11 12 13 14 15 When equipped with vent damper verify damper blade is in full open position Wait five 5 minutes to clear out any gas Then smell f
21. annot reach your gas supplier call the fire department GENE OPERATINGINSTRUCTIONS uNEEEENS 1 STOP Read the safety information above on this label Lo 2 Set the thermostat to lowest setting acc ces eke PS Ay T3 3 Turn off all electrical power to the appliance ee a Ta 4 Remove jacket front panel E oe 5 This appliance is equipped with an ignition device which automatically lights the burner on Ue tf Ei 3 et Do not try to light the burner by hand Gas control knob 6 Turn Gas control knob clockwise to OFF White Rodgers Ty Pe 7 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety information above If you don t smell gas i TF ed go to the next step Position indicator 4 H Turn Gas control knob counterclockwise w to ON ss Gas control knob 9 Turn on all electric power to the appliance Be F 10 Set thermostat to desired setting ieee vil gt i z cM 11 If the appliance will not operate follow the instructions TO TURN OFF GAS TO ition indicator gt rae pe APPLIANCE below and call your service technician or gas supplier shown in ON position s 7 pecan 12 Replace jacket front panel i TO TURN OFF GAS TO THE APPLIANCE O 1 Set the thermostat to lowest setting 3 Remove jacket front panel 2 Turn off all electric power to the appliance if service is to 4 Turn Gas control knob clockwise
22. d bearing circulators SHNA AULES Operate relief valve Start up e Perform start up per manual Check test A 7 lt lt lt lt lt e Gas piping Cold fill and operating pressures Air vents and air elimination SLEE EOL Shut down procedure Limit controls and cutoffs Expansion tank Boiler relief valve Review e Review with owner Tankless water heater EG and EGH only If boiler is used to supply domestic hot water limit requirements Differential can be set to 15 and adjusted control should be set to supply adequate hot water to control level Lowering the differential will cause a Weil McLain tankless heaters are rated at 200 F boiler slight variation in water temperature but will decrease water temperature To get rated output set low limit at burner on off cycling High limit should be set at least 200 F Limit can be adjusted to meet system hot water 20 above low limit Part Number 550 110 592 1099 User s Information Manual User maintenance procedures Boiler must be serviced amp maintained The boiler should be inspected and started annually at the beginning of the heating season only by a qualified service technician In addition the maintenance and care of the boiler designated on page 6 and explained on the following pages must be performed to assure maximum boiler efficiency and reliability Failure to servic
23. damper assembly e AS COTTO Heb EOE ESE wa 6 This appliance is equipped with an ignition device which 11 Ps ll electri h li automatically lights the pilot Do not try to light the pilot a ee PONer apace by hand l 12 When equipped with Effikal vent damper place service 7 Turn gas control knob clockwise Y to OFF switch in Automatic Operation position e E 13 Set thermostat to desired setting Position O JE I 9 Gas indicator wel control 14 If the appliance will not operate follow the instructions shown in Pm knob To Turn Off Gas To The Appliance and call your service ON position a o technician or gas supplier Il 59333 15 Replace front panel ee TOTURN OFF GASTOTHE APPLIANCE I Set the thermostat to lowest setting 4 Turn gas control knob clockwise Y to OFF Do not 2 Turn off all electric power to the appliance if service is to TONGE be performed 5 Replace front panel 3 Remove front panel Part Number 550 110 592 1099 17 CGa CGi CGs EG EGH LGB PEG PFG Boilers Operating instructions e Spark ignited pilot e Gas valve White Rodgers 36C CGa 7 CGa 8 EG 55 to EG 75 PEG 55 PFG 5 DN FORYOUR SAFETY READ BEFORE OPERATING M This appliance is equipped with an ignition device which automatically lights the pilot Do not try to light the pilot by hand Before OPERATING smell all ar
24. ded in the Boiler Manual The Boiler Manual is intended only for use by a qualified installer service technician Part Number 550 110 592 1099 User s Information Manual STOP Read before proceeding Air contamination To prevent potential of severe personal injury or death check for products or areas listed in table at right before installing boiler If any of these contaminants are found OR e isolate boiler and provide outside combustion air See national provincial or local codes for further information OR e for CGs boilers only combustion air may be ducted from out side to the boiler air intake remove contaminants permanently Service and maintenance To avoid electric shock disconnect electrical supply before performing maintenance To avoid severe burns allow boiler to cool before performing maintenance You must maintain the boiler as outlined in the manual and have the boiler started up and serviced at least annually by a qualified service technician to ensure boiler system reliability Boiler operation Do not block flow of combustion or ventilation air to boiler This boiler is equipped with a control which will automatically shut down the boiler should air or vent be blocked If vent or air blockage is easily accessible and removable remove it The boiler should attempt to restart within an hour If blockage is not obv
25. e and maintain the boiler and system could result in equipment failure causing possible severe personal injury death or substantial property damage NOTICE The following information provides detailed instructions for completing the maintenance items listed in the maintenance schedule page 6 In addition to this maintenance the boiler must be serviced and started up at the beginning of each heating season by a qualified service technician Component information Rollout thermal fuse element CGa CGi CGs EG EGH PEG amp PFG 5 only Cuts off gas flow should flame rollout occur See Figure 1 Do not attempt to place boiler in operation if rollout thermal fuse element cuts off gas flow Immediately call a service technician Failure to do so can cause severe personal injury death or substantial property damage Spill switch CGa EG EGH PEG amp PFG 5 only Cuts off gas flow should vent system become blocked See Figure 2 Do not attempt to place boiler in operation if spill switch cuts off gas flow Immediately call a service technician Failure to do so can cause severe personal injury death or substantial property damage Check daily Boiler area To prevent potential of severe personal injury death or substantial property damage eliminate all materials discussed below from the boiler vicinity If found Remove products immediately from the area If they have been there for an extend
26. ed period call a qualified service technician to inspect the boiler and vent system for possible damage from acid corrosion If products cannot be removed immediately call a Part Number 550 110 592 1099 Figure 1 Rollout thermal fuse element Figure 2 Spill switch 59202 qualified service technician to install an outside combustion air source for the boiler if not already installed 1 Combustible flammable materials Do not store combustible materials gasoline or any other flammable vapors or liquids near the boiler Remove immediately if found 2 Air contaminants See listing of contaminants on page 3 CGa CGi CGs EG EGH LGB PEG PFG Boilers Check daily 66 es bese eee ee aes bes Pressure temperature gauge or pressure gauge steam 1 Water boilers Make sure the pressure reading on the boiler pressure temperature gauge does not exceed 24 psig Higher pressure may indicate a problem with the expansion tank or gauge 2 Steam boilers Make sure the pressure reading on the boiler pressure gauge does not exceed 15 psig Higher pressure indicates a problem with the gauge or limit control 3 Contact a qualified service technician if problem persists Check monthly Boiler piping 1 Visually inspect for leaks around piping circulators relief valve and other fittings Immediately call a qualified service technician to repair any leaks Have leak
27. eet for the gas valve installed on your boiler Ask your service technician if you are unsure which one Start or Shutdown boiler Troubleshoot common problems Use the common problems solutions table to resolve typical heating system boiler problems Set up a plan for maintaining the boiler using Maintain the schedule included in this manual boiler Schedule an annual start up by a qualified ser vice technician before every heating season Hazard definitions The following defined terms are used throughout this manual to bring attention to the presence of hazards of various risk levels or to important information concerning the life of the product DANGER Indicates presence of hazards that will cause severe personal injury death or substantial property damage Indicates presence of hazards that can cause severe personal injury death or substantial property damage CAUTION Indicates presence of hazards that will or can cause minor personal in jury or property damage Indicates special instructions on installation operation or maintenance NOTICE a that are important but not related to personal injury or property damage Boiler service and The User s Information Manual provides information to the boiler owner user for routine maintenance operation and maintenance and emergency shutdown Detailed information on boiler installation operation start up service and parts is inclu
28. epair it call a qualified service technician Force or attempted repair may result in a fire or explosion A This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instructions exactly B Before LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor D because some gas is heavier than air and will settle on the floor See below Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water WHAT TO DO IF YOU SMELL GAS Immediately call your gas supplier from a neighbor s Do not try to light any appliance phone Follow the gas supplier s instructions Do not touch any electric switch do not use any phone in your building If you cannot reach your gas supplier call the fire department ED LIGHTING INSTRUCTIONS ie Stop Read the safety information above on this label Remove access panel located above burners Set the thermostat to lowest setting im Find pilot follow metal tube from gas 3 When equipped with Effikal vent damper Model RVGP control The pilot is between two burners place service switch in Hold Damper Open position behind the access panel 11 Move selector arm on gas control right Y to SET position 4 Turn off all electrical power to the appliance 5
29. er mixes an odorant with the propane to make its presence detect able In some instances the odorant can fade and the gas may no longer have an odor 2i Do not drain system unless exposure to freezing temperatures will occur Do not drain the system if it is filled with an antifreeze solution Do not shut down boilers used for domestic water heating They must operate year round Propane gas can accumulate at floor level Smell near the floor for the gas odorant or any unusual odor If you suspect a leak do not attempt to light the pilot Use caution when attempting to light the propane pilot This should be done by a qualified service techni cian particularly if pilot outages are common Periodically check the odorant level of your gas Inspect boiler and system at least yearly to make sure all gas piping is leak tight Consult your propane supplier regarding installation of a gas leak detector There are some products on the market intended for this purpose Your supplier may be able to suggest an appropriate device Lighting instructions Use Table 2 below to locate the correct Lighting Operating instruction for the gas valve model installed on your boiler Standing pilot Honeywell VR8200 VR8300 Robertshaw 7200 Robertshaw 7OODERHC Models CGa 25 CGa 8 EG 30 EG 65 PEG 30 PEG 55 CGa 25 CGa 6 EG 30 EG 50 PEG 30 PEG 50 EG 75 EGH 85 EGH 95 PFG 6 PFG 7 Page Spark ignited pilot
30. ffikal vent damper Model RVGP place service switch in Hold Damper Open position 9 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow 4 Turn off all electrical power to the appliance B in the safety information above If you don t smell 5 When equipped with Johnson Controls vent damper gas go to the next step Model M35 manually rotate damper blade in direction of arrow to Open position indicated on damper assembly 10 Move selector arm to ON 6 This appliance is equipped with an ignition device which automatically lights the pilot Do not try to light the pilot 11 Turn on all electric power to the appliance by hand 7 Depress and move selector arm to OFF Note Selector 12 When equipped with Effikal vent damper place service arm cannot be moved to OFF unless selector arm is switch in Automatic Operation position depressed slightly Do not force 13 Set thermostat to desired setting Position SS Selector ndicat 7 V 14 If the appliance will not operate follow the instructions a eae amm To Turn Off Gas To The Appliance and call your service snown IN e s OFF position 7 O technician or gas supplier lt a U 5 Replace front panel Ee TOTURN OFF GASTOTHE APPLIANCE IS Set the thermostat to lowest setting
31. ious or cannot be removed have the boiler and system checked by a qualified service technician Should overheating occur or gas supply fail to shut off do not turn off or disconnect electrical supply to pump Instead shut off the gas supply at a location external to the appliance Do not use this boiler if any part has been under water Immediately call a qualified service technician to inspect the boiler and to replace any part of the control system and any gas control which has been under water Have the building monitored when it is vacant for an extended period Safety controls can shut down the boiler at any time The loss of heat can result in significant damage due to freezing Boiler water DO NOT use petroleum based cleaning or sealing compounds in boiler system Water seal deterioration will occur causing leakage between sections and damage to heating system components This can result in substantial property damage DO NOT use homemade cures or boiler patent medicines Serious damage to boiler personnel and or property may result Continual fresh makeup water will reduce boiler life Mineral buildup in sections reduces heat transfer overheats cast iron and causes section failure Addition of oxygen and other gases can cause internal corrosion Leaks in boiler or piping must be repaired at once to prevent makeup water Do not add cold water to hot boiler Thermal shock can cause sections to crack Part Number 5
32. llow the gas supplier s instructions If you cannot reach your gas supplier call the fire department ES OPERATING INSTRUCTIONS 1 Stop Read the safety information above on this label 8 Turn gas control knob counterclockwise to PILOT 2 Set the thermostat to lowest setting 9 Depress gas control knob and hold Immediately light the 3 Turn off all electrical power to the appliance pilot with a match Continue to hold gas control knob in 4 Depress gas control knob slightly and turn clockwise Y for about one 1 minute after the pilot is lit to OFF If pilot can be lit without depressing gas control knob Gas control knob turn gas knob clockwise to OFF and call your ser shown in ON position 8 y a A vice technician or gas supplier De a a ma Position 10 Release gas control knob Pilot should remain lit If pilot Er indicator Boes out repeat steps 4 through 10 i TE p If gas control knob stays depressed after release stop and immediately call your service technician or gas see supplier Note Gas control knob cannot be turned to OFF unless knob is If the pilot will not stay lit after several tries turn the depressed slightly Do not force 5 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety information above If you don t smell gas go to the next step 6 Remove access panel located above burners 7 Find pilot foll
33. ng Confirm circulator size Call qualified service technician to check expansion tank operation and size Call qualified service technician to check expansion tank operation Call qualified service technician to replace limit control Have qualified service technician repair leaks at once to avoid constant use of makeup water Makeup water can cause mineral deposits which in turn can cause boiler section failure Do not use petroleum base stop leak compounds Have qualified service technician repair at once Keep pH of water between 7 0 to 8 5 Call qualified service technician to de lime boiler if necessary In some cases deposits will be too heavy to remove with de liming procedures Have qualified service technician repair leaks to eliminate need for constant makeup water Call qualified service technician to check pH level and correct pH should be maintained between 7 0 to 8 5 Check all valves to and from boiler Return to proper setting Confirm circulator size Remove any contaminating products See page 3 in this manual Provide outside air for combustion Kit available through Weil McLain distributor Have qualified service technician pipe up kit Have qualified service technician inspect system piping and controls to verify proper regulation of return water temperature Bleed air from system through air vents in radiators or baseboard units Fill to correct pressure Check for leaks in boiler or pi
34. oes not result in warranty resolution contact Weil McLain Consumer Relations Department 500 Blaine Street Michigan City Indiana 46360 2388 with details in support of the warranty claim Alleged defective part or parts must be returned through trade channels in accordance with the Weil McLain procedure currently in force for handling returned goods for the purpose of inspection to determine cause of failure Weil McLain will furnish new part s to an authorized Weil McLain distributor who in turn will furnish the new part s to the heating contractor who installed the boiler If you have any questions about the coverage of this warranty contact Weil McLain at the address above in a Weil McLain 500 Blaine Street Michigan City IN 46360 2388 http www weil mclain com WEIL McLAIN A United Dominion Company 24 Part No 550 110 592 1099
35. opens before burners ignite 3 Notify your qualified service technician at once if you find any problem Boiler relief valve 000 1 Inspect the boiler relief valve see Figure 3 and the relief valve discharge pipe for signs of weeping or leakage 2 If the relief valve often weeps water boilers the expansion tank may not be working properly steam boilers limit control may be set too high or there may be system problems Immediately contact your qualified service technician to inspect the boiler and system Figure 3 Relief valve 59203 Part Number 550 110 592 1099 User s Information Manual Check monthly Automatic air vents if used 1 See Figure 4 2 Remove the cap from any Figure 4 automatic air vent in the system Automatic air and check operation by vent depressing valve B slightly with n the tip of a screwdriver 3 Ifthe air vent valve appears to g be working freely and not leaking replace cap A twisting all the way on 4 Loosen cap A one turn to allow w vent to operate 5 Have vent replaced if it does not operate correctly Pilot burner flame Proper pilot flame see Figure 5 1 Blue flame 2 Inner cone engulfing thermocouple standing pilot or pilot flame sensor spark ignited pilot 3 Thermocouple or pilot flame sensor glowing cherry red Improper pilot flame 1 Overfired Large flame lifting or blowing past pilot flame sensor
36. or gas including near the floor If you smell gas STOP Follow B in the safety information above If you don t smell gas go to the next step Turn gas control knob counterclockwise to ON Turn on all electric power to the appliance When equipped with Effikal vent damper place service switch in Automatic Operation position Set thermostat to desired setting If the appliance will not operate follow the instructions To Turn Off Gas To The Appliance and call your service technician or gas supplier Replace front panel DS TOTURN OFF GASTOTHE APPLIANCE M l De 16 Set the thermostat to lowest setting Turn off all electric power to the appliance if service is to be performed Remove front panel 4 5 Turn gas control knob clockwise to OFF Do not force Replace front panel Part Number 550 110 592 1099 User s Information Manual Operating instructions CGa 25 to CGa 6 e Spark ignited pilot EG 30 to EG 50 PEG 30 to PEG 50 e Gas valve White Rodgers 36E Es FORYOUR SAFETY READ BEFORE OPERATING 0 A This appliance is equipped with an ignition C Use only your hand to turn the gas control knob Never use tools If device which automatically lights the pilot Do the knob will not turn by hand don t try to repair it call a qualified not try to light the pilot by hand service technician Force or attempted repair may result in a fire or explosion B Before OP
37. ound the appliance area for gas Be sure to smell next to D the floor because some gas is heavier than air and will settle on the floor See below C Use only your hand to depress or turn the gas control knob Never use tools If the knob will not depress or turn by hand don t try to repair it call a qualified service technician Force or attempted repair may result in a fire or explosion Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department ED OPERATING INSTRUCTIONS is Stop Read the safety information above on this label Set the thermostat to lowest setting When equipped with Effikal vent damper Model RVGP place service switch in Hold Damper Open position Turn off all electrical power to the appliance 5 When equipped with Johnson Controls vent damper Model M35 manually rotate damper blade in direction of arrow to Open position indicated on damper assembly This appliance is equipped with an ignition device which automatically lights
38. ow metal tube from gas control The pilot is between two burners behind the access panel 59337 C TOTURN OFF GASTOTHE APPLIANCE M Set the thermostat to lowest setting 2 Turn off all electric power to the appliance if service is to be performed 3 Remove front panel Part Number 550 110 592 1099 11 12 13 14 15 gas control knob clockwise Y to OFF and call your service technician or gas supplier Replace access panel Turn gas control knob counterclockwise to ON Turn on all electric power to the appliance Set thermostat to desired setting Replace front panel 4 Depress gas control knob slightly and turn clockwise to OFF 5 Replace front panel 15 CGa CGi CGs EG EGH LGB PEG PFG Boilers Operating instructions e Spark ignited pilot e Gas valve Honeywell VR8204 VR8304 CGa EG 30 to EG 75 PEG 30 to PEG 55 PFG 5 DN FORYOUR SAFETY READ BEFORE OPERATING M This appliance is equipped with an ignition device which automatically lights the pilot Do not try to light the pilot by hand Before OPERATING smell all around the appliance area for gas Be sure to smell next to D the floor because some gas is heavier than air and will settle on the floor See below C Use only your hand to turn the gas control knob Never use tools If the knob will not turn by hand don t try to repair it call a qualified service technician Force or attempted rep
39. periodically Test low water cutoff all steam boilers water boilers if installed If the system is equipped with a low water cutoff test the low water cutoff periodically during the heating season Float type See Figure 7 1 Clean float type low water cutoff to clear float chamber of sediment a Open blowdown valve at bottom control b Drain water into a bucket Boiler pressure and temperature must be low to avoid the potential of severe burns from steam or hot water 2 Check float type low water cutoff for proper operation a Turn operating control to call for heat b Before water gets hot drain to bottom of gauge glass Boiler should shut off after water level lowers a few inches c Refill boiler to correct waterline Boiler should come back on Figure 7 Float type low water cutoff 59208 Probe type See Figure 8 1 Clean probe type low water cutoff for proper operation a Turn off power to boiler and wait 5 minutes b Drain water to bottom of gauge glass c Turn on power d Set thermostat to call for heat Red neon lamp on lower water cutoff should light e Wait 5 minutes Boiler should not fire f Refill boiler to correct water line Red lamp should go off Wait 5 minutes Boiler should fire h Return thermostat to normal setting Figure 8 Probe type low water cutoff ra Indicator lamp s 7 ol Test switch and reset switch if
40. ping Have qualified service technician repair at once Adjust high limit to higher setting 23 Weil McLain Limited Warranty for Residential amp Commercial Cast ron Boilers RESIDENTIAL WATER WARRANT Y Limited Lifetime RESIDENTIAL STEAM WARRANT Y Limited 10 Year COMMERCIAL WARRANTY Limited 10 Year NOTE The residential steam and water warranties do not cover residential boilers installed in buildings other than one or two family dwelling units unless they are buildings with individual boilers for each dwelling unit First Year All Residential amp Commercial Cast Iron Boilers Limited Warranty for Cast Iron Boilers Weil McLain warrants that its cast iron boilers are free from defects in material and workmanship for one year from the date of installation If any parts are found to be defective in manufacture Weil McLain will provide replacement of such defective parts Second Through Tenth Year Residential Water Steam Second Through Tenth Year Commercial Water Steam Limited Warranty for cast iron sections Weil McLain warrants that the cast iron sections of its water and steam boilers are free from defects in material and workmanship from the date of installation for the second through the tenth year If during such time period any section is found to be defective Weil McLain will provide replacement for the original cast iron section s Eleventh Year and Beyond Residential Water Onl
41. place front panel 1 Set the thermostat to lowest setting 2 Turn off all electric power to the appliance if service is to 4 Depress and move selector arm left N to OFF f be performed 5 Replace front panel 14 Part Number 550 110 592 1099 User s Information Manual EG 75 EGH 85 EGH 95 PFG 6 PFG 7 Lighting instructions e Standing pilot e Gas valve Robertshaw 7OOODERHC ESS FORYOUR SAFETY READ BEFORE LIGHTING M A This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instructions exactly B Before LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor D because some gas is heavier than air and will settle on the floor See below C Use only your hand to depress or turn the gas control knob Never use tools If the selector arm will not depress or move by hand don t try to repair it call a qualified service technician Force or attempted repair may result in a fire or explosion Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Fo
42. s fixed at once by a qualified service technician Continual fresh makeup water will reduce boiler life Minerals can build up in sections reducing heat transfer overheating cast iron and causing section failure Do not use petroleum based cleaning or sealing compounds in boiler system Severe damage to boiler and system components can occur resulting in possible severe personal injury death or substantial property damage Venting system Failure to inspect the vent system as noted above and have them repaired by a qualified service technician can result in vent system failure causing severe personal injury or death 1 Visually inspect all parts or the flue gas venting system for any signs of blockage leakage or joints or deterioration of the piping 2 CGaand EG boilers a With boiler firing hold a candle or match be low lower edge of draft hood skirt If flame does not blow out but burns undisturbed the vent system is working properly Air openings 1 Verify that combustion and ventilation air openings to the boiler room and or building are open and unobstructed 2 CGs boilers Verify that boiler vent discharge and air intake are clean and free of obstructions Remove any debris on the air intake or flue exhaust openings If flame blows out or flickers severely the vent system must be checked for obstructions or other causes of improper venting b Verify the vent damper CGa and EG boilers
43. urn off all electric power to the appliance if service is to 4 Turn gas control knob clockwise to OFF b fi d e performe 5 Replace front panel 20 Part Number 550 110 592 1099 User s Information Manual Operating instructions CGi CGs e Spark ignited pilot e Gas valve Honeywell VR8204 VR8304 White Rodgers 36C and 36E FOR YOUR SAFETY READ BEFORE OPERATING el A This appliance does not have a pilot It is equipped C Use only your hand to turn the gas control knob Never use with an ignition device which automatically lights tools If the knob will not turn by hand don t try to repair it the burner Do not try to light the burner by hand call a qualified service technician Force or attempted repair may result in a fire or explosion B Before OPERATING smell all around the appliance area for gas Be sure to smell next to the D Do not use this appliance if any part has been under water floor because some gas is heavier than air and Immediately call a qualified service technician to inspect the will settle on the floor See below appliance and to replace any part of the control system and any gas control which has been under water WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Immediately call your gas supplier from a neighbor s phone l l Follow the gas supplier s instructions Do not touch any electric switch do not use any phone in your building Ifyou c
44. y Limited Warranty for Cast Iron Sections Weil McLain warrants that the cast iron sections of its residential water boilers are free from defects in material and workmanship for the eleventh year and beyond from the date of installation If during such time period any section s is found to be defective Weil McLain will provide replacement for the original cast iron section s upon the payment of a proportionate charge based on the time the boiler has been in service The proportionate charge will be equal to the appropriate percentage of the list price of such section s at the time the warranty claim is made and will be determined as follows 11th year 5 12th year 10 13th year 15 14th year 20 15th year 25 16th year 30 17th year 35 18th year 40 19th year 45 20th year 50 21st year 55 22nd year 60 23rd year 65 24th year 70 25th year and beyond 75 All Residential amp Commercial Cast Iron Boilers These warranties are subject to the condition that the boiler must have been installed by a heating contractor whose principal occupation is the sale and installation of plumbing heating and or air conditioning equipment These warranties do not cover 1 Components that are part of the heating systems but were not furnished by Weil McLain as a part of the boiler 2 The workmanship of any installer of Weil McLain s boilers In addition this warranty does not assume any
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