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Parts List: A.O. Smith LB-1000, Series 920/951

  • 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.

 

By-Pass Kit Parts List:

Item Description LW/LB-1000
Series 920/951
2 Control, Tank Temperature LW Models 99058-1 (new # 1001107405)
5 Relief Valve - LW models  
5 Relief Valve - LB models 98883-2 (new # 100111923)
NOTES:
- The manufacturer may change part numbers and availability at any time.
** On LB models the circulating pump must be installed between the boiler inlet and the bypass. LW models have pump mounted inside jacket.

 

 

Parts List A:

Item Description LW/LB-1000
14 Igniter 192334 (new # 100110899)
23 Switch, Safety Flow 78168 (new # 100110588)
NOTES:
- The manufacturer may change part numbers and availability at any time.

 

 

Parts List B:

Item Description LB/LW-1000
3 Box 4 in. x 4 in. Junction 93558-4 (new # 100110255)
27 Switch, Rocker 191665 (new # 100109882)
NOTES:
- The manufacturer may change part numbers and availability at any time.

 

 

Parts List C:

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

 

 

Parts List D:

Item Description LB/LW-1000
1 Blower 192195 (new # 100110438)
33 Switch, Low Gas Pressure 191149-1 (new # 100109151)
40 Valve, Main Gas 078481-3 (new # 100110223)
NOTES:
- The manufacturer may change part numbers and availability at any time.

 

 

Parts List E (LW/LB-1000 Series 951 Propane):

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

 

 

Parts List F:

Item Description LB/LW-1000
4 Control, Hot Surface Ignition 191848 (new # 100109887)
12 Relay, S.P.D.T. (120 Vac) 191661 (new # 100109880)
13 Relay, S.P.D.T. (24 Vac) 191662 (new # 100109881)
20 Switch, Blower Prover Switch 191666 (new # 100110729)
NOTES:
- The manufacturer may change part numbers and availability at any time.

 

 

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