A.O. Smith 977 Series Water Heater User Manual


 
5
GAS VALVE
BTH 300A BTH 400A
Item Description 976/977 976/977
1 Switch, Low Gas Pressure .... 9006084215 ...........9006084215
LP Gas .................................. 9004474215 ...........9004474215
2 Valve, NAT Gas .................... 9006085205 ...........9006085205
Valve, LP Gas ....................... 9006086205 ...........9006086205
3 Orifice, NAT .......................... 9006090215 ...........9006091215
Orifice, LP ............................. 9006092215 ...........9006093215
4 Orifice holder ........................ 9006094215 ...........9006094215
Standard hardware items may be purchased locally.
BLOWER/BURNER ASSEMBLY
BTH 300A BTH 400A
Item Description 976/977 976/977
1 Gasket - 8" ...................................... 9006095205 .... 9006095205
2 Shield - Heat ................................... 9006096205 .... 9006096205
3 Gasket - Insulation .......................... 9006097205 .... 9006097205
4 Flange - Burner ............................... 9006098205 .... 9006098205
5 Burner Assembly............................. 9006099205 .... 9006099205
6 Gasket - Burner .............................. 9006100205 .... 9006100205
7 Ignitor .............................................. 9006101205 .... 9006101205
8 Window - Observation..................... 9006102215 .... 9006102215
9 Gasket - Viewport ........................... 9006103215 .... 9006103215
10 Screw - Socket Head Cap............... 9006104215 .... 9006104215
11 Blower/Motor ................................... 9006105205 .... 9006114205
12 Sensor - Flame ............................... 9006106205 .... 9006106205
13 Coupling - Power Vent .................... 9006107205 .... 9006107205
14 Blower Intake Reducer Assembly. .. 9006108205 .... 9006108205