A.O. Smith 974 Series Water Heater User Manual


 
7
BTH 300A BTH 400A
Item Description 974/975 974/975
1 Burner.................................................................................................. 194779 ................194998
2 Blower/Motor Assembly ....................................................................... 194746................ 194746
3 Flange-Burner ..................................................................................... 194960................ 194960
4 Gasket .................................................................................................194817................ 194817
5 Gasket, Burner ....................................................................................194777 ................195016
6 Gasket-Viewport .................................................................................. 194827 ................194827
7 Ignitor .................................................................................................. 192334 ................192334
8 Screw, #8-18 x 1/2 .............................................................................. 192698 ................192698
9 Screw, Socket Head Cap .................................................................... 192515 ................192515
10 Screw, Truss Hd. Mach 1/4-20 x 2.00 . ............................................... 194816................ 194816
11 Sensor, Flame ................................................................................... 194776-1 ............ 194776-1
12 Window, Observation ......................................................................... 98758-3 .............. 98758-3
13 Hex Nut ...............................................................................................196882................ 196882
Standard hardware items may be purchased locally.
BLOWER/BURNER - ASSEMBLY