1. DL manuals
  2. A.O. Smith
  3. Water Heater
  4. 974 Series
  5. Parts List

A.O. Smith 974 Series Parts List

Summary of 974 Series

  • Page 1

    1 printed in the u.S.A. 0206 part no. 197177-001 blower/burner assembly see page 7 gas valve see page 5 recirculating system see page 5 operating control wiring see page 4 control panel see page 3 powered anode assembly see page 8 cyclone xhe - model bth-300a/400a see page 2 exhaust elbow, vent kit ...

  • Page 2

    2 bth 300a bth 400a item description 974/975 974/975 1 cleanout gasket ............. 99038 ........... 99038 2 cover, cleanout .............. 99037 ........... 99037 3 cover, left ..................... 194748 ......... 194748 4 cover, right ................... 194749 ......... 194749 5 drain valve ....

  • Page 3

    3 cyclone xhe bth 300a/400a - control panel bth 300a bth 400a item description 974/975 974/975 1 cable assembly, power switch ................................................................. 194785 ........... 194785 2 blower prover air switch ..........................................................

  • Page 4

    4 detail 2 - cyclone xhe bth 300a /400a - connections (continued).

  • Page 5

    5 detail 4 - gas valve bth 300a bth 400a item description 974/975 974/975 1 pump, recirculation ............................................................................... 196915 ................ 196915 2 elbow, 3/4" male - 1" female .................................................................

  • Page 6

    6 bth 300a bth 400a item description 974/975 974/975 exhaust elbow and fittings 1 adapter, hose fitting ....................................................................................................... 192472 ............. 192472 2 elbow, 90° ......................................................

  • Page 7

    7 bth 300a bth 400a item description 974/975 974/975 1 burner .................................................................................................. 194779 ................ 194998 2 blower/motor assembly ....................................................................... 194746 ........

  • Page 8

    8 a.O. Smith water heater parts fulfillment 125 southeast parkway franklin, tn 37068 1-800-433-2545 www.Hotwater.Com bth 300a bth 400a item description 974/975 974/975 1 anode ........................................................................................................ 194787 .......... 1...