A.O. Smith SLB/LW:1000 Parts list
Contents
1. PSD 3 152 a WAITSA PRODU CTS COMMERCIAL POWER BURNER BOILER REPLACEMENT PARTS LIST WIRING HARNESS amp PROBES COPPER BOILERS FOR HYDRONIC See page 8 E PROPANE GASTRAIN ASSEMBLY HEATING amp HOT WATER SUPPLY See page 6 LEGEND MODELS LB LW 1000 SERIES 300 301 NATURALGAS TRAIN BLOWER ASSEMBLY See page 5 JACKET FRAME ASSEMBLY See page 4 WATERWAYS A COMBUSTION CHAMBER See page 2 CONTROLBOARD See page 7 EXHAUST amp DRAIN ASSEMBLY See page 3 WATERINLET See page 3 ProductPreservers A O SMITH WATER PRODUCTS CO INC 5621 W 115TH STREET ALSIP ILLINOIS 60803 Phone 1 800 433 2545 Fax 1 800 433 2515 Website www hotwater com PRINTED IN U S A 0502 211591 000 LB LW WATERWAYS amp COMBUSTION CHAMBER PARTS LIST Item Description Burner and Cone Assembly 17 Combustion Chamber Asembly 18 Connector Hose Cover Outer Gasket Outer Gasket Burner Gasket Inner Housing Assembly Insulation Burner Nut Manifold LW Models Part Number Item Description Part Number LB Models Probe Inlet Temp Screw 8 32 3 8 Long SST Screw Machine 8 32 1 Long SST 19 Coupling Flexible w Gasket 2 Sealer Silicone not shown sensor Flame 21 23 24 24 25 26 lx 27 Probe Outlet Temp EC2. Locknut Star Support Bracket Propane Only Locknut 6 32 Transformer 100VA Nipple Chase U Bolt Assembly Waterway Nut Lock Hex 5 16 18 Washer Flat Panel Assembly Left Side Washer Lock Panel Assembly Right Side Switch Relay OONDOOABRWND ch LB LW NATURAL GAS TRAIN BLOWER ASSEMBLY Item Description Part No Item Description Part No e a Nut Hex 1 4 Blower Adapter Assembly Orifice Air Series 300 Nat Gas Blower Manifold Assembly Orifice Air Series 3011 L P Gas 192737 2 Bracket Blower Orifice Union See Orifice Table Below Clamp Hose Plug 1 8 Pipe Elbow 1 1 4 Port Observation Lower Elbow Union 1 1 4 Port Observation Upper Flange Observation Port Screen Air Inlet Gasket Blower Air Inlet Screw Cap 1 4 Gasket Burner Screw Flathead 8 32 x 1 2 Gasket Manifold Screw Flathead 8 32 x 3 4 Gasket Port 1 8 Thick Switch Low Gas Pressure Nut Hex 1 4 Serrated Shutter Blower Manifold Assembly Air Gas Shutter Flange Nipple Close 1 8 A Nipple Close Stainless Tee Pressure Tubing Pressure U Bolt Assembly Gas Train Valve Main Gas Valve Firing Valve Solenoid Gas 192189 Washer Plain 76820 18 OONDOOABBRWND ch LEGEND ORIFICE TABLE Propane Size Elevation ENGEN 1
3. 210205 D JUMPER 210491 BLOWN FUSE LED RED LB LW 1000 WIRING CHART foto Ke 5 elle PART NUMBER White 14 41974 Black 99650 Green 41972 White Black 86578 Green 69058 White 170595 Black 170596 Green 170606 Blue 191719 170603 Yellow 170604 Brown 170890 White Red 191700 White Yellow 191702 White Black 191699 Black White 191694 Yellow Blue 191708 Red Green 191717 ch A J OD a Lech Lech Lech fk d Jeck Iech Lech Lech Iech fk fk Jeck f nt 00 00 00 00 00 00 00 00 0 0 0 0 A S Lech Use dash number to indicate length of wire Example 20 inch long red wire would be expressed as 170603 20 WIRING AND HARNESS ASSEMBLY 78468 99593 6 78469 191673 42573 210091 210152 99599 2 O SIE 16 14 Ga 22 18 Ga 10 Stud Ignition Harness Assembly 210575 Tank Probe Pressure Flow Switch Harness Assembly AE Harness Assembly 210604 IIS 210576 Harness Assembly 210579 1 Gas Valve Dr Harness Assembly Harness Assembly Transformer 210609 210574 1 Propane Harness Assembly 210578 Outlet Temperature Control ECO Assembly 210572 Inlet Temperature Control Assembly 210571 Tank Probe LW Models 211541 1
4. 92222 0 555 0 2000 192222 1 0 537 2001 3000 192222 2 0 533 3001 4000 192739 0 333 0 2000 192739 1 0 329 2001 3000 192739 2 0 325 3001 4000 LB LW PROPANE GAS TRAIN ASSEMBLY Item Description PartNo Item Description Part No Valve Main Gas LP 300 Series Elbow 90 Street 1 1 4 Regulator LP 301 Series Elbow 90 1 1 4 Valve Firing Nipple 1 1 4 w Tapping Pipe Plug Nipple 1 1 4 Switch Low Gas Pressure Nipple 1 1 4 Nipple 1 1 4 Tee 1 8 NPT Branch Nipple 1 1 4 Connector Angle 1 8 Nipple 1 1 4 Bleeder Tube Elbow Union 1 1 4 Bleeder Tube OO JO ob ch l LB LW BY PASS PARTS LIST On LB models the circulating pump must be between the boiler inlet and the bypass see figure below Description Part No LW models have pump mounted inside the jacket Ball Valve 191935 Tank Pump Kit LW Models Only Not Shown 210625 Hex Reducing Bushing LB Only Flush Bushing LB Only Relief Valve LW Model Relief Valve LB Model Strap Cable not shown Tee Condensate Tee For use w relief valve Tee 2 x2 x3 4 Valve Drain Valve Manual Shutoff Vent Patch Assembly Nipple For use w relief valve LB LW CONTROL BOARD WHC 1502 Part Number 210128 CONTROL BOARD WHC1502 POLARITY LED GREEN FUSE 3 AMP
5. O 28 Spacer Ring 191554 1 Switch Safety Flow 211480 Tee Assembly Tube Assembly Primary LW Models 192388 Tube Assembly Primary LB Models 192225 Tube Assembly Outlet Tube Assembly Secondary Washer Flat 8 SST Restrictor Air Top Cover LB LW EXHAUST DRAIN amp WATER INLET ASSEMBLY PARTS LIST Item Description Part Number Item Description Part Number 16 Tube Assembly Inlet LW Models 192308 17 Tube Assembly Primary LB Models 192225 18 Tube Assembly Primary LW Models 192388 Drain Flange 19 Tubing Condensate 191746 Drain Flange Assembly 20 Tubing Pressure 21 U Bolt Assembly 22 Valve Drain 23 Vent Assembly 24 Vent Flange 191685 5 25 Washer Plain 76820 18 26 Vent Support Bracket 192194 Vent Restricting Ring Series 301 LP 191923 1 Gasket Drain Gasket Vent LB LW JACKET FRAME ASSEMBLY Item Description PartNo Item Description Part No Bolt Machine 5 16 18 17 Panel Lower Front Control Panel Assembly 18 Panel Rear Natural Display Board Panel Rear Propane Frame Assembly Panel Top Cover Gasket Display Plate Rear Cover Grommet Screw Hex Head 5 16 Screw Hex Head 6 32 Junction Box Assembly Switch Blower Prover Junction Box Cover Switch Blocked Flue Label Control Panel Switch Rocker
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