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Technical Training Department ©2003
Ashland City, Tennessee
SBN TANK TYPE COMMERCIAL GAS WATER HEATER
SERVICE HANDBOOK
120 154 180 199 200(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............ 76243-32 ..... 76243-30 .......76243-33....... 76243-32 ..... 76243-32
8 Burner Assembly, Main (N) SBN .........194648 ......... 194648.......... 194648 ..........194648 ......... 194648
9 Burner w/Igniter Bracket, Main BTN ....194760 ......... 194760.......... 194760 ..........194760 ......... 194760
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 ....................................... 194388-4 ..... 194388-4 .......194388-4.........194388 ......... 194388
19 Cover, Jacket .......................................194389 ......... 194389.......... 194389 ..........194389 ......... 194389
22 Ignitor, 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 ...................................193439 ......... 193439.......... 193439 ..........193439 ......... 193439
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 ....................... 194411-3 ......194411-7 ....... 194411-4....... 194411-3 ....... 194411
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
49 Tube, Outlet ....................................... 192627-1 ..... 192627-1 .......192627-1....... 192627-1 ..... 192627-1
51 Valve, Gas - Natural SBN .................. 194536-1 ..... 194536-1 ........ 194536 ..........194536 ......... 194536
BTI Valve, Gas - Propane .................. 194536-3 ..... 194536-3 .......194536-3....... 194536-3 ..... 194536-3
52 Valve, T&P ............................................192467 ......... 192467.......... 192467 ..........192467 ......... 192467
*53 Wire Harness - Control Nat. Gas........194545 ......... 194545.......... 194545 ..........194545 ......... 194545
*54 Wire Harness - Power ........................194398 ......... 194398.......... 194398 ..........194398 ......... 194398
*Items not illustrated.
Part numbers underlined are recommended stock items for emergency replacement (consider gas used in your area only).
Request from Parts Department by giving all information such as model and series number, type of gas and specifications.