A.O. Smith HW-225M Water Heater User Manual


 
HW
HW
MAIN BURNER & MANIFOLD
(I.I.D. MODELS)
ITEM DESCRIPTION HW 120M HW 160M HW 200M HW 225M
1 ...... Base, Assembly................................................... 97981-702 ............... 97981-702 .............97981-702..............97981-702
2 ...... Box, Junction............................................................ 93558.......................93558 .................... 93558 .....................93558
3 ...... Bracket, Control .................................................... 95452-12 ................. 95452-12 ...............95452-12................ 95452-14
4 ...... Bracket, Main Burner Support (Rear) ......................78882 .......................78882.................... 78882 .....................78882
5 ...... Bracket, Skirt Support .............................................. 97963 .......................97963.................... 97963 .....................97963
6 ...... Burner, Main ............................................................. 78382 .......................78382 .................... 78382 .....................78382
7 ...... Burner, Main - With Pilot Bracket .......................... 170613-1 ................. 170613-1 ...............170613-1................ 170613-1
8 ...... Burner, Pilot - With Orifice:
Natural Gas ...................................................... 210871-2 ................. 210871-2 ...............210871-2................ 210871-2
Propane Gas .................................................... 210871-3 ................. 210871-3 ...............210871-3.................... - - - -
9 ...... Insulation - Wrap .................................................... 211927 ..................... 211927.................. 211928....................211928
11 ...... Catch, Door.............................................................. 28666 .......................28666 .................... 28666 .....................28666
14 ...... Coil, Combustion Chamber ....................................97272 .......................97272.................... 97273 .....................97273
15 ...... Collector, Flue .........................................................212032 ................... 212032-1 ...............212032-2................ 212032-3
16 ...... Control, Coil Limit (Protector Switch) .................... 77981-2 ................... 77981-2 .................77981-2.................. 77981-2
17 ...... Control, Automatic Gas Shutoff ..............................191394 ..................... 191394.................. 191394 ...................191394
18 ...... Control, Intermittent Ignition:
Natural Gas ........................................................191182 ..................... 191182 .................. 191182....................191182
Propane Gas .................................................... 191182-1 ................. 191182-1 ............... 191182-1.................... - - - -
19 ...... Cover, Coil Limit (Protector Switch) ..................... 96667-700 ............... 96667-700 .............96667-700.............. 96667-700
21 ...... Cover, Top ............................................................ 96231-703 ............... 96231-703 .............96231-703.............. 95115-704
22 ...... *Decals:
ASHRAE ............................................................. 160659 ..................... 160659.................. 160659 ...................160659
Delime................................................................. 76770 .......................76770.................... 76770 .....................76770
Coil Limit .............................................................97315 .......................97315 .................... 97315 .....................97315
Lighting & Operating ..........................................192012 ..................... 192012.................. 192012 ...................192012
GAS CONTROL VALVE
I.I.D. MODELS
51