Jupiter Heating.com

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

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

  • 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  • Part numbers that are no longer active in the AO Smith database are not included on the chart.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 HW-399, HW-420
Series 932/933
2 Box, Junction 190616-4 (new # 100110255)
3 Bracket, Gas Control String 93764 (new # 100110423)
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)
9 Bushing, Snap 98863 (new # 100030121)
10 Cap, Terminal End 98206 (new # 100029976)
11 Clamp, Capillary Tube 94998 (new # 100111094)
14 Coil, Combustion Chamber 97486 (new # 100110253)
16 Control, Intermittent Ignition:  
  - Natural Gas (Series 932) 191182 (new # 100110204)
  - Propane (Series 933) 191182-1 (new # 100110205)
17 Control, Limit 93661-4 (new # 100110233)
18 Control, Limit (Protector Switch) 77981-2 (new # 100110201)
22 Cover, Top 96096-701 (new # 100110316)
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)
32 Insulator 32779-1 (new # 100006572)
34 Leg 96383-701 (new # 100110346)
37 Orifice, Pilot Burner:  
  - Natural Gas 6210 (new # 100110512)
  - Propane 210913 (new # 100061721)
42 Screen, Peep Hole 1051 (new # 100110639)
43 Screw, Thumb 97288 (new # 100029820)
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)
53 Terminal, Segment (4 Required) 98205 (new # 100029975)
54 Thermal Balancer 98190 (new # 100110724)
55 Transformer 99238 (new # 100110732)
56 Tube, Asbestos Free 68831 (new # 100110419)
57 Tube, By-Pass 94451-3 (new # 100110644)
58 Tubing, 1/4 in. x 60 ft. Wire Assorted Fittings (user to cut to required length) 1417-60 (new # 100109617)
59 Valve, Gas Control:  
  - Natural Gas, Series 932 78450-4 (new # 100110218) / 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)
64 Standard Hardware Items - Purchased Locally  
65 Glass Yarn (4 Required) 68831-3 (new # 100110177)
66 Glass Yarn (4 Required) 68831-4 (new # 100110420)
NOTES:
- The manufacturer may change part numbers and availability at any time.

 

 

 

Download original AO Smith Parts List
(Use the back arrow to return to this page, or open the PDF in a new tab.)