1COMMERCIAL WATER HEATER PARTS LISTModel BTH-300AModel BTH-400ASeries 976/977PRINTED IN U.S.A. 0606 PART NO. 197177-002BLOWER/BURNER ASSEMBLYSee Page
2BTH 300A BTH 400AItem Description 976/977 976/9771 Cleanout Gasket ... 9004099015 ... 90040990152 Cover, Cleanout ... 9004098005 ...
3BTH 300A BTH 400AItem Description 976/977 976/9771 Switch, On/Off ...
4CYCLONE XHE BTH 300A/400A - CONNECTIONS (Continued)
5GAS VALVEBTH 300A BTH 400AItem Description 976/977 976/9771 Switch, Low Gas Pressure ... 9006084215 ...9006084215LP Gas ...
6BTH 300A BTH 400AItem Description 976/977 976/977 EXHAUST ELBOW AND FITTINGS1 Exhaust Elbow Assembly ...
7BTH 300A BTH 400AItem Description 976/977 976/9771 Anode .......
8A.O. Smith Water Heater Parts Fulfillment125 Southeast ParkwayFranklin, TN 370681-800-433-2545www.hotwater.com
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