A.O. Smith 974 Series Parts List page 2

CYCLONE XHE BTH 300A/400A - PARTS LIST
Item Description
1 Cleanout Gasket ............. 99038 ........... 99038
2 Cover, Cleanout .............. 99037 ........... 99037
3 Cover, Left ..................... 194748 .........194748
4 Cover, Right ................... 194749 .........194749
5 Drain Valve ................... 26273-4 ........ 26273-4
7 Labels:
800 Help Line ................. 190600 .........190600
C.E.C. ............................. 42985 ........... 42985
Cleanout .......................... 78754 ........... 78754
ECO ............................. 192282-1 ...... 192282-1
Electronic Ignition ............ 77860 ........... 77860
Flammable Vapors ..... 184872-000 .. 184872-000
Lighting & Operating ...... 194548 .........194548
Relief Valve .................... 191068 .........191068
UL .................................. 192870 .........192870
Ultra Coat ....................... 193860 .........193860
Warning ......................... 193912 .........193912
Water Inlet ...................... 94519 ........... 94519
Water Outlet .................... 94518 ........... 94518
Wiring Diagram .............. 194772 .........194772
8 Panel, Back .................... 194750 .........194750
9 Temperature and
Pressure Relief Valve ... 99383-3 ........ 99383-3
NOTE: Underlined parts are recommended
stock items for emergency replacement.
Consider gas used in your area only.
*Not illustrated.
Standard hardware items may be
purchased locally.
2
BTH 300A BTH 400A
974/975 974/975