42
Technical Training Department
Ashland City, Tennessee
SBN TANK TYPE COMMERCIAL GAS WATER HEATER
SERVICE HANDBOOK
©2003
Item
250(A)
275(A)
310(A)
366(A)
400(A)
Blower Assembly:
3
Blower
....................................... 194408 ........ 194408 ......... 194408 ........ 194408 ....... 194408
4
Outlet Assembly, Exhaust .................. 194424 ........ 194424 ......... 194424 ........ 194424 ....... 194424
6
Burner, Orifice Bracket, Main .............. 98044 .......... 98044 ........... 98044 .......... 98044 ......... 98044
7
Burner Orifice, Main (N) SBN .......... 76243-30 ..... 76243-33 ...... 76243-31 ..... 76243-30 .... 76243-29
8
Burner Assembly, Main SBN ............. 194648 ........ 194648 ......... 194648 ........ 194648 ....... 194648
9
Burner w/Igniter Bracket, Main SBN .. 194383 ........ 194383 ......... 194383 ........ 194383 ....... 194383
11
Gasket, Cleanout ............................... 99038 .......... 99038 ........... 99038 .......... 99038 ......... 99038
14
Control, Ignition Assembly ................ 194392 ........ 194392 ......... 194392 ........ 194392 ....... 194392
17
Cover, Control Box ............................. 194395 ........ 194395 ......... 194395 ........ 194395 ....... 194395
18
Cover, Inner SBN ............................ 194388-4 ..... 194388-4 ...... 194388-4 ...... 194388 ....... 194388
19
Cover, Jacket ..................................... 194389 ........ 194389 ......... 194389 ........ 194389 ....... 194389
*22
Igniter, Flame Sensor ........................ 194405 ........ 194405 ......... 194405 ........ 194405 ....... 194405
23
Insulation, Top ................................... 194439 ........ 194439 ......... 194439 ........ 194439 ....... 194439
*39
Manual, Instruction SBN ................... 194403 ........ 194403 ......... 194403 ........ 194403 ....... 194403
40
Plate, Mounting ................................. 193243 ........ 193243 ......... 193243 ........ 193243 ....... 193243
41
Probe/ECO, Upper Thermostat ........ 194396 ........ 194396 ......... 194396 ........ 194396 ....... 194396
42
Probe/Lower Thermostat .................. 194397 ........ 194397 ......... 194397 ........ 194397 ....... 194397
43
Rod, Anode .................................... 180618-42 ... 180618-42 .... 180618-42 ... 180618-42 .. 180618-42
44
Switch, Blower Prover SBN ............. 194411-3 ..... 194411-8 ...... 194411-2 ...... 194411 ....... 19441-3
45
Switch, Low Gas Pressure ............. 191149-5 ..... 191149-5 ...... 191149-5 ..... 191149-5 .... 191149-5
46
Switch, Off/On .................................... 193243 ........ 193243 ......... 193243 ........ 193243 ....... 193243
47
Thermostat, Digital ........................... 194393 ........ 194393 ......... 194393 ........ 194393 ....... 194393
48
Tube, Inlet ..................................... 192626-1 ..... 192626-1 ...... 192626-1 ..... 192626-1 .... 192626-1
51
Valve Gas - Natural SBN ................. 194536-1 ..... 194536-1 ........ 194536 ........ 194536 ....... 194536
52
Valve, T&P ....................................... 192467 ........ 192467 ......... 192467 ........ 192467 ....... 192467
*53
Wire Harness - Control Natural ........ 194545 ........ 194545 ......... 194545 ........ 194545 ....... 194545
Wire Harness - Control Propane ...... 194399 ........ 194399 ......... 194399 ........ 194399 ....... 194399
*54
Wire Harness - Power ...................... 194398 ........ 194398 ......... 194398 ........ 194398 ....... 194398
*Items not illustrated.
Part numbers underlined are recommended stock items for emergency replacement.
Request from Parts Department by giving all information
such as model and series number, type of gas and specifications.
Model
Orifice Drill Size
120
37
154
42
180
37
250
32
275
38
310
36
366
32
390
31
High Altitude Main Burner Orifice
Table (NEO)