A.O. Smith BTH-120A, BTH-150A, BTH-199A, BTH-250A, BTH-300A Service manual
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A.O. Smith Water Heater Parts Fulllment
125 Southeast Parkway • Franklin, TN 37068
www.hotwater.com •
1-800-433-2545
COMMERCIAL GAS SERVICE PARTS LIST
MODELS:
BTH 120(A)
BTH 150(A)
BTH 199(A)
BTH 250(A)
Series:
200/201
DISPLAY CONTROL ASSEMBLY
See Page 2
BLOWER/BURNER ASSEMBLY
See Page 4
BTH CYCLONE MXi - MODEL BTH-120(A)-250(A)
See Page 2
INNER COVER CONTROL ASSEMBLY
See Page 3
GAS VALVE(S)
See Page 4
EXHAUST ELBOW ASSEMBLY - VENT KIT ASSEMBLY
See Page
POWERED ANODE
See Page 3
A. O. Smith Water Heater Parts Fulllment • 125 Southeast Parkway • Franklin, TN 37068 • 1-800-433-2545 • www.hotwater.com
PRINTED 0514 327728-001
1
5 & 6
CLEANOUT ASSEMBLY / TEMPERATURE & PRESSURE VALVE
BTH 120(A) BTH 150(A) BTH 199(A) BTH 250(A)
Item Description 200/201 200/201 200/201 200/201
1 Cleanout Gasket ................................... 9004099215 .......... 9004099215 .......... 9004099215 .......... 9004099215
2 Cleanout Plate ...................................... 9005797205 .......... 9005797205 .......... 9005797205 .......... 9005797205
3 T & P Valve ........................................... 9005899205 .......... 9005903205 .......... 9005903205 .......... 9005903205
4 Lower Temperature Probe .................... 9006242015 .......... 9006242015 .......... 9006242015 .......... 9006242015
5 Thread Forming Screws ....................... 9004100215 .......... 9004100215 .......... 9004100215 ..........9004100215
6 Drain Valve ........................................... 9003906015 .......... 9003906015 .......... 9003906015 ..........9003906015
Standard hardware items may be purchased locally.
3
4
6
DISPLAY CONTROL ASSEMBLY
BTH 120(A) BTH 150(A) BTH 199(A) BTH 250(A)
Item Description 200/201 200/201 200/201 200/201
1 Display Overlay ............................................ 9008901005 ........ 9008901005 .......9008901005 ....... 9008901005
2 Display Band ................................................ 9006270005 ........ 9006270005 .......9006270005 ....... 9006270005
3 Display Band Mount ..................................... 9006271015 ........ 9006271015 .......9006271015 ....... 9006271015
4 Enable/Disable Switch ..................................193243-001 .........193243-001 ....... 193243-001 .......193243-001
5 Splatter Shield ...............................................197763-000 .........197763-000 ....... 197763-000 ....... 197763-000
6 Switch Wire Connection ................................328918-000 .........328918-000 ....... 328918-000 .......328918-000
7 User Interface Module - UIM ........................ 9008460005 ........ 9008460005 .......9008460005 ....... 9008460005
2
INNER COVER CONTROL ASSEMBLY - MODELS 120(A) & 150(A)
BTH 120
Item Description 200/201 200/201
1 ........
2 ........ Power Supply Board .................................................... 9008872005 ..........................9008872005
3 ........ Transformer ................................................................. 9008874005 ..........................9008874005
4 ........ Switch-Blocked Outlet .................................................. 9008905015 ..........................9008905015
5 ........ Switch-Blocked Inlet .................................................... 9008860015 ..........................9008860015
6 ........ Switch-Blower Prover .................................................. 9008861015 ..........................9008904015
7 ........
8 ........
9 ........
10 ....... Powered Anode-Short ..........................................................N/A .................................9006247005
11 ....... Powered Anode-Long .................................................. 9006559005 ..........................9006246005
CCB Board-Programmed
Upper Temperature Probe
Ignition Transformer
Junction Box Assembly
................................................ 9008906015 ..........................9008906015
........................................................ 9008875005 ..........................9008875005
..................................................... 325118-000 .......................... 325118-000
............................................ 9008907015 ..........................9008907015
(A)
BTH 150
(A)
INNER COVER CONTROL ASSEMBLY - MODELS 199(A) & 250(A)
BTH 199
Item Description 200/201 200/201
1 ........
2 ........ Power Supply Board .................................................... 9008872005 ..........................9008872005
3 ........ Transformer ................................................................. 9008874005 ..........................9008874005
4 ........ Switch-Blocked Outlet .................................................. 9008905015 ..........................9008905015
5 ........ Switch-Blocked Inlet ....................................................9008860015 ..........................9008860015
6 ........ Switch-Blower Prover ..................................................9008904015 ..........................9008904015
7 ........
8 ........
9 ........
10 ....... Powered Anode-Short .................................................. 9006247005 ..........................9006247005
11 ....... Powered Anode-Long .................................................. 9006246005 ..........................9006246005
CCB Board-Programmed
Upper Temperature Probe
Ignition Transformer
Junction Box Assembly
........................................................ 9008875005 ..........................9008875005
.....................................................325118-000...........................325118-000
................................................. 9008907015 ..........................9008907015
................................................ 9008906015 ..........................9008906015
(A)
BTH 250
(A)
10
11
Standard hardware items may be purchased locally.
9
CONFIGURATION KEY
8
6
2
5
3
1
4
7
10 & 11
3
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