A.O. Smith BTH-120A, BTH-150A, BTH-199A, BTH-250A, BTH-300A Service manual

		COMMERCIAL GAS SERVICE PARTS LIST
			MODELS:
A.O. Smith Water Heater Parts Fulfillment			BTH 120(A)
125 Southeast Parkway • Franklin, TN 37068			BTH 150(A)
www.hotwater.com • 1-800-433-2545			BTH 199(A)
			BTH 250(A)
			Series:
			200/201
DISPLAY CONTROL ASSEMBLY	BTH CYCLONE MXi - MODEL BTH-120(A)-250(A)
		See Page 2	INNER COVER CONTROL ASSEMBLY
See Page 2			See Page 3
BLOWER/BURNER ASSEMBLY			GAS VALVE(S)
See Page 4			See Page 4
			EXHAUST ELBOW ASSEMBLY - VENT KIT ASSEMBLY
			See Page 5 & 6
POWERED ANODE
See Page 3
A.O.Smith Water Heater Parts Fulfillment • 125 Southeast Parkway • Franklin, TN 37068 • 1-800-433-2545 • www.hotwater.com
PRINTED 0514		1	327728-001

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
Item	Description	BTH 120(A)	BTH 150(A)	BTH 199(A)	BTH 250(A)
		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(A)	BTH 150(A)
Item	Description	200/201	200/201
1........	CCB Board-Programmed .............................................	9008907015	..........................9008907015
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........	Upper Temperature Probe................................................	9008906015..........................	9008906015
8........	Ignition Transformer.........................................................	9008875005..........................	9008875005
9........	Junction BoxAssembly.....................................................	325118-000...........................	325118-000
10.......	Powered Anode-Short..........................................................	N/A.................................	9006247005
11.......	Powered Anode-Long...................................................	9006559005..........................	9006246005

INNER COVER CONTROL ASSEMBLY - MODELS 199(A) & 250(A)

		BTH 199(A)	BTH 250(A)
Item	Description	200/201	200/201
1........	CCB Board-Programmed .................................................	9008907015...........................	9008907015
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........	Upper Temperature Probe................................................	9008906015...........................	9008906015
8........	Ignition Transformer.........................................................	9008875005...........................	9008875005
9........	Junction BoxAssembly.....................................................	325118-000...........................	325118-000
10.......	Powered Anode-Short..................................................	9006247005..........................	9006247005
11.......	Powered Anode-Long...................................................	9006246005..........................	9006246005

Standard hardware items may be purchased locally.

	9
	CONFIGURATION KEY
	8
10	6
	2

5

11 3 1

4

7

10 & 11

3