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1. | A O Smith Water Heater BTH 250A ManualCOMMERCIAL GAS SERVICE PARTS LIST A.O. Smith Water Heater Parts Fulfillment 125 Southeast Parkway Franklin, TN 37068 www.hotwater.com 1-800-433-2525 MODELS: BTH 120/A BTH 150/A BTH 199/A BTH 250/A Series: 100/101 INNER COVER CONTROL ASSEMBLY See Page 3 DISPLAY CONTROL ASSEMBLY See Page 2 BTH CYCLONE Xi - MODEL BTH-120/A-250/A See Page 2 BLOWER/BURNER ASSEMBLY See Page 4 & 5 GAS VALVE(S) See Page 6 ELECTRONIC ANODE See Page 7 EXHAUST ELBOW ASSEMBLY - VENT KIT ASSEMBLY ... Brands:A | User Manual | ENGLISH | [View] | ||||||||||