238-48146-00A - Bradford White
Contents
1. 12 inches 399 cm F Clearance to outside corner b b G Clearance to inside corner b b i 3 feet 9 m within a height H Clearance to each side of center line extended above 15 feet 4 6 m above the b meter regulator assembly meter regulator assembly l Clearance to service regulator vent outlet or oil tank vent 36 inches 91 cm b je Clearance o non mechanical air supply inlet to building or 12 inches 30 5 cm 9 inches 22 8 cm the combustion air inlet to any other appliance 3 feet 9 m above if K Clearance to a mechanical air supply inlet 6 feet 1 8 m within 10 feet horizontally te Clearance above paved sidewalk or paved driveway 7 feet 2 1 m t b located on public property M Clearance under a veranda porch deck or balcony 12 inches 30 5 cm b 1 In accordance with the current CAN CGA B149 Installation Codes In accordance with the current ANSI Z223 1 Latest edition NFPA 54 National Fuel Gas Code t A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings Permitted only if a veranda porch deck or balcony is fully open on a minimum of two sides beneath the floor a A minimum clearance value determined by testing in accordance with section 2 20 b Clearance in accordance with local installation codes and the requirements of the gas supplier VENT AIR INTAKE SYSTEM INSTALLATION IMPORTANT Refer to2. parts list in the back of this manual and become familiar with the parts named in kit Tools Required For Vent Air Intake Installation IMPORTANT When the following instructions specify to seal a vent air intake joint use only Loctite Ultra Blue 587 RTV Silicone sealant A tube of Loctite Ultra Blue 587 RTV Silicone sealant is supplied with every direct vent water heater and each optional vent air intake kit Make sure that all joints are completely sealed The following minimum tools are required to properly install the vent air intake system Note Wall construction will determine tool usage Tape Measure Drill 3 16 inch 4 5 mm Diameter Drill Bit s Masonry Drill Bit s For Poured Concrete Concrete Block and Brick Wall Construction e Reciprocating Saw w appropriate Blade s Dependent on Wall Construction e Chisel For Poured Concrete Concrete Block and Brick Wall Construction e Hammer For Poured Concrete Concrete Block and Brick Wall Construction e 1 4 amp 5 16 inch Nut Drivers Preferred or Slotted Head Screwdriver e Phillips Head Screwdriver A WARNING The vent air intake system must be properly installed Failure to properly install the vent air intake system could result in property damage personal injury or death DO NOT install any damaged vent air intake system components Contact the manufacturer of the water heater for replacement parts A WARNING The vent air intake terminal must be i
3. E DIRECT VENT AIR e INTAKE TERMINAL 17 Apply a bead of the special RTV silicon sealant to the adaptor inserted into the flue reducer SPECIAL RTV SILICONE SEALANT VENT ADAPTER FLUE REDUCER 18 Attach one end of the inner vent over the adaptor that is inserted in the flue reducer Secure the inner vent with the clamp INSTALL INNER VENT OVER VENT ADAPTER TIGHTEN CLAMP 19 Slide the outer vent down and over the outer collar of the plenum on the water heater Secure the outer vent with the clamp INSTALL OUTER VENT OVER COLLAR ON PLENUM TIGHTEN CLAMP DIRECT VENT WATER HEATER VENTING PARTS LISTS VASAAAL YZ jeneeney ABBREEREEY Y ny ys ARBEEEEEEY AYAY vi VAYAVAVAYAVAYAYAYAVAY AV ZZYYYYYYYYY PART NAME amp DESCRIPTION Direct Vent Air Intake Terminal 6 Clamp Outer Flexible Tube Outer Wall Mounting Plate Inner Wall Backing Plate 8 Spacer Spring E included 9 4 Outer Flexible Air Intake Tube Vent Terminal Guard Optional not included 5 Inner Flexible Vent Tube Special RTV silicone sealant 12
4. INSTALLATION INSTRUCTIONS FOR FLEXIBLE VENT KIT PART NUMBER 239 47812 00 A WARNING The vent air intake system must be properly installed Failure to properly install the vent air intake system could result in property damage personal injury or death DO NOT install any damaged vent air intake system components Contact the manufacturer of the water heater for replacement parts This vent kit is designed to bring all air for combustion from the outside and vent all the combustion products to the outside when properly installed This vent kit should only be used with direct vent water heaters that were designed for use with this vent kit Refer to the label on the water heater to determine if this kit is the correct kit for the water heater that you are installing Consult the supplier of the water heater if you are not certain that this is the correct vent kit Refer to the information in these instructions and the instructions provided with the water heater when determining the location of the vent terminal and water heater The vent system must terminate so that proper clearances are maintained as cited in local codes or the latest edition of the National Fuel Gas Code ANSI 2223 1 as follows 1 Do not terminate near soffit vents or crawl space or other area where condensate or vapor could create a nuisance or hazard or cause property damage 2 Do not terminate the exhaust vent terminal where condensate or vapor could cause damage o
5. e and direct vent air intake terminal over the center of the opening Mark the mounting screw hole locations With a 3 16 inch 5 cm diameter drill bit not supplied drill holes for the wall anchors supplied Install the wall anchors but DO NOT affix the outer wall mount plate and direct vent air intake terminal to the wall at this time See Figure 3 Note Certain construction of walls may require the use of a different type of wall anchoring means than supplied DO NOT modify the direct vent air intake terminal or outer wall mount plate 5 7 8 IN r OUTER WALL 15 cm S MOUNTING PLATE DIA HOLE pr n WALL ANCHOR INTAKE TERMINAL Figure 3 6 Install vent adaptor into the flue reducer Use the high temperature RTV silicone sealant provided to seal the joint by applying it to the adaptor before inserting the adaptor into the flue reducer SPECIAL RTV SILICONE SEALANT VENT ADAPTER FLUE REDUCER Stretch the inner vent to a length that is 6 inches 15 2 cm to 12 inches 30 4 cm shorter than the length needed for the vent installation X Y dimension Place the spacers springs around the inner vent so that they are equally spaced Two of the spacers springs must be 4 inches 10 7 cm to 8 inches 20 3 cm to either side of were the bend will be made in the vent SECTION 6 12 SHORTER THAN REQUIRED VENT LENGTH 9 Stretch the outer vent so that it is about 6 inches 15 2 cm
6. nstalled through an outside wall in a horizontal position This direct vent water heater is not designed for through the roof vertical venting BENT SECTION 5 7 8 IN 15 cm MIN DIA HOLE IN WALL pe d A T SEE NOTE i NOTE MAINTAIN 1 4 INCH RISE PER FOOT OF X 8 CM PER METER FIGURE 2 1 Measure the vertical height Y required in your installation See Figure 2 2 Measure the horizontal length X required in your installation See Figure 2 3 Add the X amp Y dimensions together If the sum is less than 100 inches 254 cm and equal to or greater than 44 inches 111 7 cm the flexible vent can be used with out cutting the flexible vent by stretching or compressing the flexible vent If the length is less than 44 inches 111 7 cm the interior 3 inch 7 6 cm vent can be trimmed to length If the length is greater than 100 inches 254 cm this flexible vent kit will not work with the water heater location Either adjust the location of the water heater or contact your supplier for options A WARNING Do not attempt to use flexible vent hose at distance greater than 100 inches 254 cm Cut a 5 7 8 inch 15 cm diameter minimum clearance hole in the wall at the point where the vent air intake tubes will pass through the outside wall and connect with the direct vent air intake terminal See Figure 2 From outside the building position the outer wall mount plat
7. r could be detrimental to the operation of regulators relief valves or other equipment 3 Do not terminate the exhaust vent terminal over public area or walkways where condensate or vapor can cause nuisance or hazard 4 The vent shall terminate a minimum of 12 inches 30 5 cm above expected snowfall level to prevent blockage of vent termination Vent pipes serving direct vent appliances are classified by building codes as vent connectors Required clearances from combustible materials must be provided in accordance with information in this manual under LOCATION OF WATER HEATER and CLEARANCES and with National Fuel Gas Code and local code 238 48146 00A REV 6 09 lt VENT TERMINAL Figure 1 X AIR SUPPLY INLET Direct Vent Terminal Clearances AREA WHERE TERMINAL IS NOT PERMITTED Canadian Installations US Installations A Clearance above grade veranda porch deck or balcony 12 inches 30 5 cm 12 inches 30 5 cm B Clearance o widow or door that may be opened 12 inches 30 5 cm 9 inches 23 cm C Clearance o permanently closed widow b b Vertical cle D terminal wi arance to ventilated soffit located above the hin a horizontal distance of 2 feet 61 cm from the center line of the terminal 12 inches 30 5 cm a 12 inches 30 5 cm a E Clearance to unventilated soffit 12 inches 30 5 cm a
8. shorter than the inner vent 10 Slide the outer vent over the inner vent leaving about 3 inches 7 6 cm of inner vent exposed on each side OUTER VENT SPACER SPRING INNER VENT 3 EXPOSED BOTH ENDS 11 Slide the inner wall backing plate over one end of the outer flexible air intake Slide the clamps over the ends of both the outer and inner vents INNER WALL BACKING PLATE OUTER VENT CLAMP SPACER SPRING He INNER VENT fi IDS CLAMP Pu through the hole in the wall The inner wall backing plate should be on the inside of the wall The end of the flexible vent and flexible air intake should stick four to six inches outside the wall CLA OUTER VENT R WALL BACKING PI A Y CLAMP gt INNER VENT lide the outer vent over the air intake collar on the outer wall mounting l re the e vent with the clamp SS 9 lt 14 Apply a bead of the special RTV silicon sealant to the exhaust collar on the vent terminal SPECIAL RTV SILICONE SEALANT DIRECT VENT AIR INTAKE TERMINAL 15 Slide the inner vent over the vent terminal collar Secure the inner vent with the clamp VENT TERMINAL OUTER WALL MOUNTING PLATE WALL INNER VENT 16 Fasten the outer wall mounting plate and vent terminal to the wall with the four screws 10 x 1 IN SCREW 4 PLACES RAIN GUARD OUTER WALL MOUNTING PLAT
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