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1. | A O Smith Water Heater 970 Series ManualPSD-3-443/c COMMERCIAL WATER HEATER PARTS LIST POWERED ANODE ASSEMBLY See Page 8 MODEL BTH-300A SERIES 970/971 MODEL BTH-400A SERIES 970 OPERATING CONTROL WIRING See Page 4 CYCLONE XHE - MODEL BTH-300A/400A See Page 2 GAS VALVE See Page 5 RECIRCULATING SYSTEM See Page 5 BLOWER/BURNER ASSEMBLY See Page 7 CONTROL PANEL See Page 3 EXHAUST ELBOW, VENT KIT & BLOWER INTAKE PARTS See Page 6 PRINTED IN U.S.A. 0604 1 195788-001 ... Brands:A | User Manual | ENGLISH | [View] | ||||||||||