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Parts List: A.O. Smith HW-100S, HW-100P; Series 820/821, SMR R-11

  1. Use the chart to find the part you need to order. A diagram of the unit is below the chart to assist you in locating your part.
  2. Click on the underlined link to go directly to the part's page for pricing and ordering.
  3. For parts that are not underlined and do not have a link, please Contact Us for price and availability.
  4. The manufacturer has changed some part numbers to a new part number, and we have referenced the new part number in the chart (if applicable). Please note that the manufacturer may change part numbers and availability at any time.
  5. You can download and print the original PDF of the A.O. Smith parts list at the bottom of the page.

 

Item Description HW-100S, HW-100P
1 Base, Jacket 97980-700
2 Box, Junction 2-/18 in. x 4-1/8 in. 26062 (new # 026062-000)
3 Bracket, Burner 97969
4 Bracket, Control 96449-1
5 Bracket, Pilot:  
  - Natural Gas 78213
  - Propane 78213-1
6 Bracket, Skirt Support 97963
7 Burner, Main:  
  - Natural Gas 96630-2
  - Propane 96630-3
8 Burner, Pilot, with Orifice:  
  - Natural Gas, Series 820 96666 (new # 9007244005)
  - Propane, Series 821 96666-1 (no longer available)
  - Natural Gas, SMR-R-11 78192 (new # 9004998215)
  - Propane, SMR-R-11 78192-1 (new # 9004999215)
9* Bushing, Strain Relief 92494 (no longer available)
9A Bushing, Reducing (HW-S only) 98782
10 Button, Door 99280
11 Cable Assembly (SMR-R-11 only) 78214 (no longer available)
12 Catch, Door 28666 (new part # 028666-000)
13 Channel, Plastic 99260-2
14 Clamp, Channel 99263
15 Clip, Tubing -----
16 Coil, Combustion Chamber 97282 (new # 9005068205)
17 Collector, Flue 96602
18 Connector, Angle -----
18A Connector, Male 99188
19 Control Pilot Module (I.I.D.):  
  - Natural Gas (SMR R-11 Only) 78191 (new # 9004996105)
  - Propane (SMR R-11 Only) 78191-1 (new # 9004997105)
20 Cover, Junction Box 2-1/2 in. x 4-1/8 in. 26063 (new # 026063-000)
21 Cover, Jacket 95340-705
  Door Assembly, HW-P (less item 10, 25, 36) 96234-1
24 Door, Inner 95130
26 Heat Exchanger 96582 (no longer available)
27 Fitting, Main Burner 98480
27A Fitting, Cross 1-1/4 in. (HW-S Only) 98781
28 Flange, Air Purger (HW-P only) 99129 (new # 099129-000)
29 Gasket (HW-P only) 99136 (new # 9005422105)
30 Grommet - for Knockout Holes 1908-1
31 Grommet 97178
32* Hydro-Prep Cleaning Solution (HW-P only):  
  - 1 Quart 97091
  - 1/2 Gallon 97092
33 Hood, Draft 95155-705 (new # 095155-005)
34 Insulator:  
  - Series 820-821 32779-1 (new # 032779-001)
  - SMR-R-11 32779-1 (new # 032779-001)
35 Jacket 96224-100
36 Knob, Combustion Chamber Door:  
  - HW-S 89410 (new # 089410-000)
  - HW-P 32309-4 (new part # 089410-000)
38 Nut, Lock 1455
39 Nut, Tie Rod 85138 (new # 085138-000)
40 Orifice, Main Burner:  
  - Natural Gas (Series 820 & SMR-R-11) 98815-189
  - Propane (Series 821 & SMR-R-11) 2869-111
41 Orifice, Pilot Burner:  
  - Natural Gas, Series 820 7221 (new # 007221-000)
  - Natural Gas, SMR-R-11 6210 (new # 9005538115)
  - Propane, Series 821 7220 (new # 007220-000)
  - Propane, SMR-R-11 6211 (new # 9005539115)
NOTES:
- The manufacturer may change part numbers and availability at any time.
* Not Illustrated
** Not available for Propane Gas

 

 

 

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