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Parts List: A.O. Smith HW-399, HW-420; Series 932/933

  • 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 HW-399, HW-420
Series 932/933
2 Box, Junction 190616-4 (new # 100110255)
5 Bracket, Shield 190473 (new # 100110664)
6 Burner, Main: Sea Level  
  - Natural Gas 98593-2 (new # 100110239)
7 Burner, Pilot (with Orifice):  
  - Natural Gas 210871-0 (new # 100110271)
  - Propane Gas 210871-1 (new # 100111925)
11 Clamp, Capillary Tube 94998 (new # 100111094)
14 Coil, Combustion Chamber 97486 (new # 100110253)
16 Control, Intermittent Ignition:  
  - Natural Gas (Series 932) N/A
  - Propane (Series 933) 191182-1 (new # 100110205)
17 Control, Limit 93661-4 (new # 100110233)
25 Exchanger, Heat 190913 (new # 100110236)
26 Fitting, Limit Control 97570 (new # 100029838)
28 Hood, Draft (Series 932) 98428-707 (n/a) / 98428-704 (new # 100110360)
  Hood, Draft (Series 933) 98428-707 (n/a) / 98428-704 (new # 100110360)
31 Insulation, Pyrofelt 190177 (new # 100064922)
44 Shield, Base Radiation 96015 (new # 100110645)
45 Shield, Door 191119 (new # 100110369)
46 Shield, Floor 96025 (new # 100110647)
48 Sheild, Pilot 170247 (new # 100110660)
51 Switch, Safety Flow (Required, but not supplied with unit) 211480 (new # 100110588)
52 Tape, Asbestos Free (used with Item 40) 95072-1 (new # 100110424)
54 Thermal Balancer 98190 (new # 100110724)
57 Tube, By-Pass 94451-3 (new # 100110644)
59 Valve, Gas Control:  
  - Natural Gas, Series 932 78450-4 (no longer available) / 78450 (new # 100110218)
  - Propane, Series 933 78450-5 (new # 100110219) / 78450-1 (new # 100110219)
60 Valve, Relief 50 PSI 210451-1 (new # 100111922)
63 Wire, Ground, 250° C 170889-69 (new # 100109808)
NOTES:
- The manufacturer may change part numbers and availability at any time.

 

 

 

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