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Parts List: A.O. Smith HW-160S, HW-160P; Series 820/821, SMR R-11

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  • Part numbers that are no longer active in the AO Smith database are not included on the chart.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 HW-160S, HW-160P
8 Burner, Pilot, with Orifice:  
  - Natural Gas, Series 820 96666 (new # 100111843)
  - Natural Gas, SMR-R-11 78192 (new # 100110206)
  - Propane, SMR-R-11 78192-1 (new # 100110207)
19 Control Pilot Module (I.I.D.):  
  - Natural Gas (SMR R-11 Only) 78191 (new # 100110204)
  - Propane (SMR R-11 Only) 78191-1 (new # 100110205)
33 Hood, Draft 95157-703 (new # 100029613)
34 Insulator:  
  - Series 820-821 32779-1 (new # 100006572)
  - SMR-R-11 32779-1 (new # 100006572)
41 Orifice, Pilot Burner:  
  - Natural Gas, SMR-R-11 6210 (new # 100110512)
- The manufacturer may change part numbers and availability at any time.




Download original AO Smith Parts List
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