1. DL manuals
  2. A.O. Smith
  3. Boiler
  4. 750 & 1000
  5. Replacement Parts List Manual

A.O. Smith 750 & 1000 Replacement Parts List Manual

Manual is about: COMMERCIAL POWER BURNER BOILER SERIES: 300 - 301

Summary of 750 & 1000

  • Page 1

    1 a.O. Smith water products co., inc. 5621 w. 115th street • alsip, illinois 60803 phone: 1-800-433-2545 • fax: 1-800-433-2515 website: www.Hotwater.Com printed in u.S.A. 0403 211691-000 natural gas train/blower assembly see pages 5-7 propane gas train assembly see pages 8-10 waterways & combustion ...

  • Page 2

    2 lb/lw waterways & combustion chamber parts list lw models lb models item description model 500 model 750 model 1000 note: replacement housing assemblies (item 10) are currently all steel type. When replacing the housing assembly both the inner gasket (item 9) and outer gasket (item 7) must also be...

  • Page 3

    3 lb/lw exhaust, drain & water inlet assembly parts list item description model 500 model 750 model 1000 1 ................ Clamp, hose (large) ......................................................................... 191794-1 .............. 191794-1 ............ 191794-1 2 ................ Clamp, h...

  • Page 4

    4 lb/lw jacket/frame assembly item description model 500 model 750 model 1000 1 .......... Bolt, machine 5/16" - 18 .............................................................. 191358-1 ................... 191358-1 ................... 191358-2 2 .......... Control panel assembly .....................

  • Page 5

    5 lb/lw natural gas train/blower assembly- model 500 item description model 500 item description model 500 20 .... Nut, hex 1/4" ..................................................... 170272 21 .... Orifice, air .......................................................... 192737 22 .... Orifice, union ...

  • Page 6

    6 lb/lw natural gas train/blower assembly- model 750 item description model 750 1 ..... Blower ............................................................. 211614 2 ..... Blower adapter assembly .............................. 191645 3 ..... Blower manifold assembly ............................. 191...

  • Page 7

    7 lb/lw natural gas train/blower assembly - model 1000 detail back view item description model 1000 1 .....Blower ............................................................... 192195 2 .....Blower adapter assembly .............................. 192215-1 3 .....Blower manifold assembly ...............

  • Page 8

    8 item description model 500 1 .....Valve, main gas .............................................. 191956-1 2 .....Regulator, lp ..................................................... - - - - - 3 .....Valve, manual shut-off ..................................... 3423-4 4 .....Pipe plug ..................

  • Page 9

    9 item description model 750 1 ....... Valve, main gas ............................................. 77780 2 ....... Regulator, lp ................................................ 192460 3 ....... Valve, manual shut-off ................................. 3423-3 4 ....... Pipe plug ......................

  • Page 10

    10 please update these numbers lb/lw propane gas train assembly - model 1000 item description part no. 1 ...... Valve, main gas, lp 300 series .................. 77780 2 ...... Regulator, lp 301 series ........................... 192460 3 ...... Valve, firing ...........................................

  • Page 11

    11 lb/lw wiring chart lb/lw control board whc 1502 part number 210128 whc1502 color gauge part number *** white 14 41974 black 14 99650 green 14 41972 white 16 86580 black 16 86578 green 16 69058 white 18 170595 black 18 170596 green 18 170606 blue 18 191719 red 18 170603 yellow 18 170604 brown 18 1...

  • Page 12

    12 outlet temperature control/ eco assembly 210572 tank probe harness assembly 210604 pressure flow switch harness assembly 210576 transformer harness assembly 210578 (model 1000) 211330 (models 500 & 750) ignition harness assembly 210575 gas valve harness assembly 210574-1 (propane) 210574-2 (nat. ...