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Parts List: A.O. Smith HW-300, HW-300B; Series 100/101

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  • Part numbers that are no longer active in the AO Smith database are not included on the chart.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-300
Series 100/101
2 Box, Junction 190616-4 (new # 100110255)
3 Bracket, Gas Control String 93764 (new # 100110423)
5 Bracket, Shield 190473 (new # 100110664)
7 Burner, Pilot (with Orifice):  
  - Natural Gas 210871 (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 97485 (new # 100110252)
15 Collector, Flue (Natural Gas, Series 100) 190285-10 (new # 100110282)
16 Control, Intermittent Ignition:  
  - Natural Gas (Series 100) 191182-2 (new # 100109879)
  - Propane (Series 101) 191182-3 (new # 100111920)
17 Control, Limit 93661-4 (new # 100110233)
18 Control, Limit (Protector Switch) 77981-2 (new # 100110201)
25 Exchanger, Heat 190922 (new # 100110235)
26 Fitting, Limit Control 97570 (new # 100029838)
32 Insulator 32779-1 (new # 100006572)
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 96015-1 (new # 100110646)
45 Shield, Door 191119 (new # 100110369)
48 Sheild, Pilot 170247 (new # 100110660)
49 Skirt Assembly 97260 (new # 100110429)
51 Switch, Safety Flow (Required, but not supplied with unit) 211480 (new # 100110588)
52 Tape, Asbestos Free (used with Item 40) 95072 (new # 100110424)
53 Terminal, Segment (4 Required) 98205 (new # 100029975)
54 Thermal Balancer 98190 (new # 100110724)
55 Transformer 69170-10 (new # 100110732)
56 Tube, Asbestos Free 68831 (new # 100110419)
57 Tube, By-Pass 96162-1 (new # 1001106485)
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 100 78450 (new # 100110218)
  - Propane, Series 101 78450-1 (new # 100110219)
60 Valve, Relief 50 PSI 210451 (new # 100111921)
63 Wire, Ground, 250° C 170889-69 (new # 100109808)
64 Standard Hardware Items - Purchased Locally  
65 Glass Yarn (4 Required) 68831-2 (new # 100110354)
71 Pilot Valve 200683 (new # 100059254)
NOTES:
- The manufacturer may change part numbers and availability at any time.

 

 

 

Download original AO Smith Parts List
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