PSD-3-406/A
COMMERCIAL TANK TYPE WATER HEATER
REPLACEMENT PARTS LIST
MODELS BTI 120 thru 400/A:
STANDARD AND ASME (A)
SERIES 100 - NAT.
SERIES 101- L.P.
HONEYWELL VALVE
45
51
A.O. SMITH WATER PRODUCTS CO., INC.
5621 W. 115TH STREET • ALSIP, ILLINOIS 60803
PHONE: 1-800-433-2545 • FAX: 1-800-433-2515
PRINTED IN U.S.A. 0803
195810-000
BTI
BTI
BTI
BTI
BTI
Item
Description
120
154
180
199
200/A
1
2
Baffle, Flue ........................................... 192199-5........... 194732 ............. 194732 ............... 194732 .............. 194715
Base, Jacket Assembly ......................... 193863 ............ 193863 ............. 194166 ............... 194166 .............. 194068
Blower Assembly
3
4
5
6
7
Blower ......................................... 194408 ............ 194408 ............. 194408 ............... 194408 .............. 194408
Outlet Assembly, Exhaust ........... 194424 ............ 194424 ............. 194424 ............... 194424 .............. 194424
Screw, TEK .................................. 194613 ............ 194613 ............. 194613 ............... 194613 .............. 194613
Burner, Orifice Bracket, Main .................. 98044 .............. 98044 ............... 98044 ................. 98044 ................ 98044
Burner Orifice, Main (Nat.) ................... 76243-32.......... 76243-30...........76243-35............ 76243-32 .......... 76243-32
Burner Orifice, Main (L.P.).................... 76243-49.......... 76243-46...........76243-50............ 76243-49 .......... 76243-48
BTI
8
9
10
Burner Assembly, Main ......................... 192322 ............ 192322 ............. 192322 ............... 192322 ............... 98047
Burner w/Ignitor Bracket, Main .............. 194630 ............ 194630 ............. 194630 ............... 194630 .............. 194717
Bushing ................................................. 193404 ............ 193404 ............. 193404 ............... 193404 .............. 193404
Cleanout Assembly
11
12
#13
14
15
16
17
18
19
20
Gasket.......................................... 99038 .............. 99038 ............... 99038 ................. 99038 ................ 99038
Pressure Plate ............................. 99037 .............. 99037 ............... 99037 ................. 99037 ................ 99037
Screws, Machine ..................... 69852-1(6) ...... 69852-1(6) ....... 69852-1(6).......... 69852-1(6) ........ 69852-1(6)
Control, Ignition Board .......................... 194392 ............ 194392 ............. 194392 ............... 194392 .............. 194392
Cover, Burner ......................................... 98185 .............. 98185 ..............98185-3 .............. 98185-3 ............ 98185-3
Cover, Cleanout..................................... 181260 ............ 181260 ............. 181260 ............... 181260 .............. 181260
Cover, Control Box................................. 194395 ............ 194395 ............. 194395 ............... 194395 .............. 194395
Cover, Inner .......................................... 194514-4.......... 194514-3...........194514-1............ 194514-1 .......... 194388-3
Cover, Jacket ......................................... 194523 ............ 194523 ............. 194523 ............... 194523 .............. 194389
Collar, Pipe Nipple ................................. 74060 .............. 74060 ............... 74060 ................. 74060 ................ 74060
Floor Shield Assembly ......................... 193864-1.......... 193864-1...........193864-1............ 193864-1 ............ 193984
21
22
23
Ignitor, Flame Sensor............................ 194405 ............ 194405 ............. 194405 ............... 194405 .............. 194405
BTI
Insulation, Top ....................................... 194439 ............ 194439 ............. 194439 ............... 194439 .............. 194439
*24
*25
*26
*27
*28
*29
30
*31
*32
*33
*34
*35
*36
37
38
*39
40
41
42
43
44
45
46
Cleanout ..................................... 193914 ............ 193914 ............. 193914 ............... 193914 .............. 193914
Flammable Vapors ..................... 192872 ............ 192872 ............. 192872 ............... 192872 .............. 192872
Help Line .................................... 190600 ............ 190600 ............. 190600 ............... 190600 .............. 190600
Instruction ................................... 170345 ............ 170345 ............. 170345 ............... 170345 .............. 170345
Instruction, Bilingual ................... 193912 ............ 193912 ............. 193912 ............... 193912 .............. 193912
Instruction, ECO......................... 192282-1.......... 192282-1...........192282-1............ 192282-1 .......... 192282-1
L&O Label ................................... 194401 ............ 194401 ............. 194401 ............... 194401 .............. 194401
Master Fit .................................... 193859 ............ 193859 ............. 193859 ............... 193859 .............. 193859
Relief Valve ................................. 200042 ............ 200042 ............. 200042 ............... 200042 .............. 200042
Ultra Coat .................................... 193860 ............ 193860 ............. 193860 ............... 193860 .............. 193860
Water Inlet ................................... 161040 ............ 161040 ............. 161040 ............... 161040 .............. 161040
Water Outlet ............................... 161040-1.......... 161040-1...........161040-1............ 161040-1 .......... 161040-1
Wiring Diagram........................... 194400 ............ 194400 ............. 194400 ............... 194400 .............. 194400
Leg .................................................... 194115 ............ 194115 ............. 194115................ 194115 .............. 194115
Manifold .................................................. 76244 .............. 76244 ..............76244-2 .............. 76244-2 ............ 76244-2
Manual, Instruction ................................ 194780 ............ 194780 ............. 194780 ............... 194780 .............. 194780
BTI
Plate, Mounting ..................................... 194391 ............ 194391 ............. 194391 ............... 194391 .............. 194391
Probe/ECO, Upper Thermostat ............ 194396 ............ 194396 ............. 194396 ............... 194396 .............. 194396
Probe/Lower Thermostat ...................... 194397 ............ 194397 ............. 194397 ............... 194397 .............. 194397
Rod, Anode .......................................... 180618-42........180618-42.........180618-42 .......... 180618-42 ........ 180618-42
Switch, Blower/Prover ........................... 194411 ............ 194411 ............. 194411................ 194411 .............. 194411
Switch, Low Gas Pressure .................. 191149-5 .......... 191149-5 ...........191149-5 ............ 191149-5 .......... 191149-5
Switch, Off/On ........................................ 193243 ............ 193243 ............. 193243 ............... 193243 .............. 193243
Thermostat, Digital ............................... 194393 ............ 194393 ............. 194393 ............... 194393 .............. 194393
Tube, Inlet.............................................192626-1.......... 192626-1...........192626-1............ 192626-1 .......... 192626-1
Tube, Outlet .......................................... 192627-1.......... 192627-1...........192627-1............ 192627-1 .......... 192627-1
Valve, Drain ........................................... 26273-6............ 26273-6............. 26273-6 .............. 26273-6 ............ 26273-6
Valve, Gas - (Nat.).................................194536-1.......... 194536-1...........194536-1............ 194536-1 .......... 194536-1
Valve, Gas - (L.P.) .................................194536-3.......... 194536-3...........194536-3............ 194536-3 .......... 194536-3
Valve, T&P .............................................. 192467 ............ 192467 ............. 192467 ............... 192467 .............. 192467
Wire Harness - Control (Nat.) ............... 194545 ............ 194545 ............. 194545 ............... 194545 .............. 194545
Wire Harness - Control (LP) ................. 194399 ............ 194399 ............. 194399 ............... 194399 .............. 194399
Wire Harness - Power .......................... 194398 ............ 194398 ............. 194398 ............... 194398 .............. 194398
The Eliminator ....................................... 195100 ............ 195098 ............. 195098 ............... 195098 .............. 195098
(1 1/2”) galvanized pipe union .............. 195127 ............ 195127 ............. 195127 ............... 195127 .............. 195127
47
48
49
50
51
52
*53
*54
55
56
BTI
BTI
BTI
BTI
BTI
Item
Description
250/A
275/A
310/A
366/A
400/A
1
2
Baffle, Flue ............................................ 194718 ............ 194715 ............. 194705 ............... 194705 .............. 194705
Base, Jacket Assembly ......................... 194068 ............ 194068 ............. 193986 ............... 193986 .............. 193986
Blower Assembly:
3
4
5
6
7
Blower ......................................... 194408 ............ 194408 ............. 194408 ............... 194408 .............. 194408
Outlet Assembly, Exhaust ........... 194424 ............ 194424 ............. 194424 ............... 194424 .............. 194424
Screw, TEK.................................. 194613 ............ 194613 ............. 194613 ............... 194613 .............. 194613
Burner, Orifice Bracket, Main .................. 98044 .............. 98044 ............... 98044 ................. 98044 ................ 98044
Burner Orifice, Main (Nat.) .................... 76243-30.......... 76243-29...........76243-35............ 76243-32 .......... 76243-31
Burner Orifice, Main (L.P.)..................... 76243-45.......... 76243-44...........76243-51............ 76243-49 .......... 76243-48
Burner Assembly, Main .......................... 98047 .............. 98047 .............. 192322 ............... 192322 .............. 192322
BTI
8
9
10
Burner w/Ignitor Bracket, Main .............. 194717 ............ 194717 ............. 194717 ............... 194611 .............. 194611
Bushing ................................................. 193404 ............ 193404 ............. 193404 ............... 193404 .............. 193404
CLEANOUT Assembly:
11
12
#13
14
15
16
17
18
19
20
21
22
23
Gasket.......................................... 99038 .............. 99038 ............... 99038 ................. 99038 ................ 99038
Pressure Plate ............................. 99037 .............. 99037 ............... 99037 ................. 99037 ................ 99037
Screws, Machine ..................... 69852-1(6) ...... 69852-1(6) ....... 69852-1(6).......... 69852-1(6) ........ 69852-1(6)
Control, Ignition Assembly .................... 194392 ............ 194392 ............. 194392 ............... 194392 .............. 194392
Cover, Burner ........................................ 98185-3............ 98185-3............. 98185-4 .............. 98185-4 ............ 98185-4
Cover, Cleanout..................................... 181260 ............ 181260 ............. 181260 ............... 181260 .............. 181260
Cover, Control Box................................. 194395 ............ 194395 ............. 194395 ............... 194395 .............. 194395
Cover, Inner .......................................... 194388-5.......... 194388-5...........194388-5............ 194388-5 .......... 194388-5
Cover, Jacket ......................................... 194389 ............ 194389 ............. 194389 ............... 194389 .............. 194389
Collar, Pipe Nipple ................................. 74060 .............. 74060 ............... 74060 ................. 74060 ................ 74060
Floor Shield Assembly .......................... 193984 ............ 193984 ............. 193984 ............... 193984 .............. 193984
Ignitor, Flame Sensor............................ 194405 ............ 194405 ............. 194405 ............... 194405 .............. 194405
Insulation, Top....................................... 194439 ............ 194439 ............. 194439 ............... 194439 .............. 194439
LABELS:
BTI
*24
*25
*26
*27
*28
*29
30
*31
*32
*33
*34
*35
*36
37
38
*39
40
41
42
43
44
45
46
Cleanout ..................................... 193914 ............ 193914 ............. 193914 ........................................... 193914
Flammable Vapors ..................... 192872 ............ 192872 ............. 192872 ............... 192872 .............. 192872
Help Line .................................... 190600 ............ 190600 ............. 190600 ............... 190600 .............. 190600
Instruction ................................... 170345 ............ 170345 ............. 170345 ............... 170345 .............. 170345
Instruction, Bilingual ................... 193912 ............ 193912 ............. 193912 ............... 193912 .............. 193912
Instruction, ECO......................... 192282-1.......... 192282-1...........192282-1............ 192282-1 .......... 192282-1
L&O Label ................................... 194401 ............ 194401 ............. 194401 ............... 194401 .............. 194401
Master Fit .................................... 193859 ............ 193859 ............. 193859 ............... 193859 .............. 193859
Relief Valve ................................. 200042 ............ 200042 ............. 200042 ............... 200042 .............. 200042
Ultra Coat .................................... 193860 ............ 193860 ............. 193860 ............... 193860 .............. 193860
Water Inlet ................................... 161040 ............ 161040 ............. 161040 ............... 161040 .............. 161040
Water Outlet ............................... 161040-1.......... 161040-1...........161040-1............ 161040-1 .......... 161040-1
Wiring Diagram........................... 194400 ............ 194400 ............. 194400 ............... 194400 .............. 194400
Leg .................................................... 194115 ............ 194115 ............. 194115................ 194115 .............. 194115
Manifold ................................................. 76244-2............ 76244-2............. 76244-4 .............. 76244-4 ............ 76244-4
Manual, Instruction ................................ 194780 ............ 194780 ............. 194780 ............... 194780 .............. 194780
Plate, Mounting ..................................... 194391 ............ 194391 ............. 194391 ............... 194391 .............. 194391
BTI
Probe/ECO, Upper Thermostat ............ 194396 ............ 194396 ............. 194396 ............... 194396 .............. 194396
Probe/Lower Thermostat ...................... 194397 ............ 194397 ............. 194397 ............... 194397 .............. 194397
Rod, Anode .......................................... 180618-42........180618-42.........180618-42.......... 180618-42 ........ 180618-42
Switch, Blower Prover ........................... 194411 ............ 194411 ............. 194411................ 194411 .............. 194411
Switch, Low Gas Pressure .................. 191149-5 .......... 191149-5 ........... 191149-5 ............ 191149-5 .......... 191149-5
Switch, Off/On ........................................ 193243 ............ 193243 ............. 193243 ............... 193243 .............. 193243
Thermostat, Digital ............................... 194393 ............ 194393 ............. 194393 ............... 194393 .............. 194393
Tube, Inlet............................................. 192626-1.......... 192626-1...........192626-1............ 192626-1 .......... 192626-1
Tube, Outlet .......................................... 192627-1.......... 192627-1...........192627-1............ 192627-1 .......... 192627-1
Valve, Drain ........................................... 26273-6............ 26273-6............. 26273-6 .............. 26273-6 ............ 26273-6
Valve, Gas - (Nat.)................................. 194536-1.......... 194536-1............ 194536 ............... 194536 .............. 194536
Valve, Gas - (L.P.) ................................. 194536-3.......... 194536-3...........194536-2............ 194536-2 .......... 194536-2
Valve, T&P.............................................. 192467 ............ 192467 ............. 192467 ............... 192467 .............. 192467
Wire Harness - Control (Nat.) ............... 194545 ............ 194545 ............. 194545 ............... 194545 .............. 194545
Wire Harness - Control (L.P.) ................ 194399 ............ 194399 ............. 194399 ............... 194399 .............. 194399
Wire Harness - Power .......................... 194398 ............ 194398 ............. 194398 ............... 194398 .............. 194398
The Eliminator....................................... 195098 ............ 195098 ............. 195098 ............... 195098 .............. 195098
BTI
47
48
49
50
51
52
*53
*54
55
56
(1 1/2”) galvanized pipe union .............. 195127 ............ 195127 ............. 195127 ............... 195127 .............. 195127
*Items not illustrated. # Quantities shown in parenthesis next to part number. TBD To be determined.
Part numbers underlined are recommended stock items for emergency replacement. (Consider gas used in your area only).
Requests from PSD by giving all information such as model and series number, type of gas and specifications.
A.O. SMITH WATER PRODUCTS CO., INC.
5621 W. 115TH STREET • ALSIP, ILLINOIS 60803
PHONE: 1-800-433-2545 • FAX: 1-800-433-2515
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