JupiterHeating.com

Directory: Catalog > Water Heaters > A.O. Smith > Parts

Parts List: A.O. Smith LB-1000, LW-1000, Series 980/981

  • Links are included to the parts that are available to be purchased.
  • Parts that are not listed in the chart are either discontinued by AO Smith or are not available for purchase.
  • The item number in the first column corresponds to the location of the part in the line art drawing below the chart.

 

Waterways and Combustion Chamber Parts List

Item Description LB/LW-1000
Series 980/981
11 Ignitor 192334 (new # 100110899)
15 Probe, Outlet Temp. / ECO 210572 (new # 100110742)
16 Probe, Inlet Temp 210571 (new # 100110747)
20 Sensor, Flame 210421 (new # 100110707)
NOTES:
- The manufacturer may change part numbers and availability at any time.

 

 

Exhaust, Drain & Water Inlet Assembly Parts List:

Item Description LB/LW 1000
15 Pump Assembly, Circulator (LW Models) 192203 (new # 100112571)
19 Tubing, Condensate 191746 (new # 100109886)
NOTES:
- The manufacturer may change part numbers and availability at any time.

 

 

Jacket/Frame Assembly:

Item Description LB/LW-1000
23 Switch, Blower Prover 191666 (new # 100110729)
25 Switch, Rocker 191665-1 (new # 100109882)
27 Transformer (100VA) 210449 (new # 100111982)
31 Switch, Relay 211546 (new # 100111329)
NOTES:
- The manufacturer may change part numbers and availability at any time.

 

 

Natural Gas Train / Blower Assembly:

Item Description LB/LW-1000
1 Blower 192195 (new # 100110438)
27 Port, Observation Lower 191572 (new # 100049889)
33 Switch, Low Gas Pressure 191149-1 (new # 100109151)
41 Valve, Main Gas 78481-3 (new # 100110223)
NOTES:
- The manufacturer may change part numbers and availability at any time.

 

 

Propane Gas Train Assembly:

Item Description LB/LW-1000
5 Switch, Low Gas Pressure 191149-3 (new # 100109151)
NOTES:
- The manufacturer may change part numbers and availability at any time.

 

Propane By-Pass Parts List:

On LB Models the circulating pump must be between the boiler inlet and the bypass (see figure below). LW Models have pump mounted inside the jacket.

Item Description LB/LW-1000
5 Relief Valve (LW model)  
  Relief Valve (LB model) 210451-2 (new # 100111923)
NOTES:
- The manufacturer may change part numbers and availability at any time.

 

 

 

 

Terminals, Wiring Harnesses:

Description  
Transformer Harness Assembly 210578 (new # 100109200)
Outlet Temperature Control / ECO Assembly 210572 (new # 100110742)
Inlet Temperature Control Assembly 210571 (new # 100110747)
Tank Probe (LW model) 210211-1 (new # 100109985)
NOTES:
- The manufacturer may change part numbers and availability at any time.

 

 

Download original AO Smith Parts List
(Use the back arrow to return to this page, or open the PDF in a new tab.)