A.O. Smith 977 Series manual POWERED ANODE ASSEMBLYSeries 976/977 See Page, Printed In U.S.A

Models: 977 Series

1 8

Page 1

Model BTH-400A

See Page 3- 4

CYCLONE XHE - MODEL BTH-300A/400A

BLOWER/BURNER ASSEMBLY

See Page 5

GAS VALVE

See Page 5

See Page 3EXHAUST ELBOW, VENT KIT & BLOWER

INTAKE PARTS

PART NO. 197177-002

Image 1

Contents

OPERATING CONTROL WIRING See Page 3 CYCLONE XHE - MODEL BTH-300A/400A POWERED ANODE ASSEMBLYSeries 976/977 See PageSee Page BLOWER/BURNER ASSEMBLY See Page GAS VALVE See Page CONTROL PANEL See Page 3EXHAUST ELBOW, VENT KIT & BLOWER INTAKE PARTSStandard hardware items may be purchased locally CYCLONE XHE BTH 300A/400A - PARTS LISTBTH 300A BTH 400ACYCLONE XHE BTH 300A/400A - OPERATING CONTROLS & WIRING See Next Page CYCLONE XHE BTH 300A/400A - CONNECTIONS Continued GAS VALVE BLOWER/BURNER ASSEMBLYStandard hardware items may be purchased locally BTH 300A EXHAUST ELBOW, VENT KIT & BLOWER INTAKE PARTSBTH 400A DescriptionBTH 300A POWERED ANODE ASSEMBLYBTH 400A Description125 Southeast Parkway Franklin, TN A.O. Smith Water Heater Parts Fulfillment