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Parts List: A.O. Smith COF-315, COF-315A, Series 940/941

  • Use the chart to find the part you need to order. A line art drawing is below the chart to assist you in locating your part.
  • Click on the underlined link to go directly to the part's page for pricing and ordering.
  • Part numbers that are no longer active in the AO Smith database are not included on the chart. In addition, some part numbers have changed to a new part number. Please see AO Smith New Part Cross Reference / Discontinued Part Guidelines for further assistance.
  • You can download and print the original PDF of the A.O. Smith parts list at the bottom of the page.

Item Description
COF-315 (A)
1+ Anode 43817-38 (new # 100109594)
(qty. 2)
2 Baffle, Flue 39616-13 (new # 100110418) (qty. 7)
  Cleanout Assembly:  
8 Gasket 99038 (new # 100109686) (qty. 1)
9 Pressure Plate 99037 (new # 100110656) (qty. 1)
10 Screw, Self Tapping (qty. 6) 69852-1 (new # 100109688)
14 Cover, Cleanout Opening and Observation Port 181260 (new # 100109599)
25 Valve, Relief 192467-000 (new # 100110719)
28 Thermostat with E.C.O. 192576 (new # 100111275)
- The manufacturer may change part numbers and availability at any time.
+ Not Illustrated

Download original AO Smith Parts List
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