A.O. Smith 977 Series Water Heater User Manual


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BTH 300A BTH 400A
Item Description 976/977 976/977
1 Cleanout Gasket ........ 9004099015 ....... 9004099015
2 Cover, Cleanout ......... 9004098005 ....... 9004098005
3 Temperature and
Pressure Relief Valve... 9005903205 ....... 9005903205
CYCLONE XHE BTH 300A/400A - PARTS LIST
Standard hardware items may be
purchased locally.
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