A.O. Smith 970 Series

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PSD-3-443/c

COMMERCIAL WATER HEATER PARTS LIST

MODEL BTH-300A

SERIES 970/971

MODEL BTH-400A

SERIES 970

PRINTED IN U.S.A. 0604 195788-001

BLOWER/BURNER ASSEMBLY

See Page 7

GAS VALVE

See Page 5

RECIRCULATING SYSTEM

See Page 5

OPERATING CONTROL WIRING

See Page 4

CONTROL PANEL

See Page 3

POWERED ANODE ASSEMBLY

See Page 8

CYCLONE XHE - MODEL BTH-300A/400A

See Page 2

EXHAUST ELBOW, VENT KIT & BLOWER

INTAKE PARTS

See Page 6

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Summary

Cyclone XHE BTH 300 A;400 A Parts List

Control Panel

Operating Controls and Wiring

Recirculating System

Gas Valve

Exhaust Elbow, Vent Kit & Blower Intake Parts

Blower;Burner Assembly

Powered Anode Assembly