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Parts List: A.O. Smith GB-2100, GW-2100; Series 200 / 201

  • 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.

 

Combustion Chamber Assembly Components:

Item Description GB/GW-2100
Series 200/201
2 Blower Assembly, Large 211096 (new # 100110413) (qty. 2)
5 Burner, 60mm 210757 (new # 100110710) (qty. 18)
6 Burner Assembly 211306 (new # 100110692) (qty. 3)
9 Flame Sensor 210421 (new # 100110707) (qty. 4)
13 Gas Train, 4 & 5 Burner - Natural Gas 211081 (new # 100110412) (qty. 3)
19 Gasket, Heat Exchanger (qty. 2) 210779 (new # 100061541)
24 Igniter 192334 (new # 100110899) (qty. 2)
34 Observation Port Assembly (qty. 2) 98760 (new # 100110431)
54 Switch, Blocked Flue 210908-2 (new # 100110589)
55 Switch, Differential 211094 (new # 100110001) (qty. 3)
56 Switch, Differential - Propane 211094-1 (new # 100110001) (qty. 3)
57 Switch, Low Gas - Natural Gas 191149-1 (new # 100109151)
57 Switch, Low Gas - Propane 191149-3 (new # 100109151)
NOTES:
- The manufacturer may change part numbers and availability at any time.

 

 

Jacket Assembly Components:

 

Item Description GB/GW-2100
Series 200/201
8 Gasket, Vent Adaptor (Air Inlet) 211049-2 (new # 100061872)
32 Switch, Rocker 191665-1 (new # 100109882)
NOTES:
- The manufacturer may change part numbers and availability at any time.

 

Water Heater Connections:

Item Description GB-2100 or GW-2100
2 Inlet Temp. Conduit Assembly 210180-1 (new # 100060723)
8 Relief Valve - 125 PSI (GW-2100) 98883-7 (new # 100110427)
9 Relief Valve - 50 PSI (GB-2100) 210451-2 (new # 100111923)
11+ Tank Probe (GW-2100) 210211-1 (new # 100109985)
NOTES:
- The manufacturer may change part numbers and availability at any time.
+ Not Illustrated.

 

 

 

Control Box Interior Components:

Item Description 3 or 4 Stage Models
6 ICB Circuit Board 210749 (new # 100109988) qty. 3 for 3 Stage, qty. 4 for 4 Stage
7 Relay, SPST 120 VAC 211326 (new # 100110003)
8 Transformer, 100 VAC 210449 (new # 100111982) (3 Stage)
9 Transformer, 150 VAC 211477 (new # 100110005) (4 Stage)
NOTES:
- The manufacturer may change part numbers and availability at any time.

 

 

 

Central Control Board - Wire Assemblies:

Item Description 3 or 4 Stage Models
8 ICB 120 VAC Outlet Harness 211099 (new # 100110288 ) (qty. 3 for 3 Stage, or qty. 4 for 4 Stage)
9 Intercommunication Cable 211054 (new # 100061878) (qty. 3 for 3 Stage, or qty. 4 for 4 Stage)
NOTES:
- The manufacturer may change part numbers and availability at any time.

 

 

 

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