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

Parts List: A.O. Smith GCNH40100

  • 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.


Item Description
7 Anode Rod 9003892005 (new # 100109594)
10 Gas Control Valve / Thermostat 9006439005 (new # 100093862)
12 Pilot Assembly Kit (Natural Gas) 9006441005 (new # 100093864)
13 Burner/Door Assembly 9006443005 (new # 100093859)
17 Thermocouple 9000056015 new # 100108267)
20 20 in. Dia. Aluminum Drain Pan with Side Drain (optional) 23912-A (new # 100108459)
- The manufacturer may change part numbers and availability at any time.
+ Top T&P models use same parts indicated for standard models


Download original AO Smith Parts List
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