1
PRINTED 0607 197728-001
BLOWER/BURNER ASSEMBLY
See Page 4 & 5
GAS VALVE(S)
See Page 6
DISPLAY CONTROL ASSEMBLY
See Page 2
MODELS:
BTH 120/A
BTH 150/A
BTH 199/A
BTH 250/A
Series:
100/101
COMMERCIAL GAS SERVICE PARTS LIST
A.O. Smith Water Heater Parts Fulfillment
125 Southeast Parkway • Franklin, TN 37068
www.hotwater.com •
1-800-433-2525
INNER COVER CONTROL ASSEMBLY
See Page 3
A.O. Smith Water Heater Parts Fulfillment • phone: 1-800-433-2545 • www.hotwater.com
ELECTRONIC ANODE
See Page 7
EXHAUST ELBOW ASSEMBLY - VENT KIT ASSEMBLY
See Page
7
BTH CYCLONE Xi - MODEL BTH-120/A-250/A
See Page 2