A.O. Smith 750 & 1000 Boiler User Manual


 
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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, Hose (Small)......................................................................... 191794-3..............191794-3 ............ 191794-3
3 ................ Nut, Hex .............................................................................................. 191817-1..............191817-1 ............ 191817-1
5 ................ Drain, Flange .......................................................................................191620................. 191620 ................ 191620
6 ................ Drain, Flange Assembly ......................................................................191625................. 191625 ................ 191625
7 ................ Elbow.................................................................................................... 191664................. 191664 ................ 191664
9 ................ Gasket, Drain ....................................................................................... 191622................. 191622 ................ 191622
10 ............... Gasket, Vent .........................................................................................191683................. 191683 .............. 191683-1
11 ............... Nipple ................................................................................................. 20373-15..............20373-15 ............ 20373-18
12 ............... Nut, Hex 1/4" (Serrated) ....................................................................... 210226................. 210226 ................ 210226
13 ............... O-Ring ................................................................................................ 191556-1..............191556-1 ............ 191556-1
14 ............... Plate, Drain Seal..................................................................................191626................. 191626 ................ 191626
15 ............... Pump Assembly, Circulator (LW Models)...........................................
211611................. 211612 ................ 211538
16 ............... Tube Assembly, Inlet (LW Models) ................................................... 210897-1..............210897-2 .............. 192308
17 ............... Tube Assembly, Primary (LB Models) ................................................ 210901................. 210901 ................ 192225
18 ............... Tube Assembly, Primary (LW Models)................................................ 210900................. 210900 ................ 192388
19 ............... Tubing, Condensate......................................................................... 191746-24........... 191746-24 .......... 191746-24
20 ............... Tubing, Pressure ..............................................................................191562-26 ........... 191562-26 .......... 191562-26
21 ............... U-Bolt Assembly ..................................................................................191938................. 191938 ................ 191938
22 ............... Valve Drain ............................................................................................26273 ................... 26273 .................. 26273
23 ............... Vent Assembly .....................................................................................210499................. 210499 ................ 210494
24 ............... Vent Flange ........................................................................................ 191685-4..............191685-4 ............ 191685-5
25 ............... Washer, Plain..................................................................................... 76820-18..............76820-18 ............ 76820-18
26 ............... Vent Support, Bracket (1000 Model Only) ............................................ - - - - - ....................- - - - -.................. 192194
27 ............... Vent, Restricting Ring (500 Model Only) ........................................... 191923-2
.................- - - - -................... - - - - -
28 ............... Vent, Restricting Ring (Series 301 LP)................................................ - - - - - ....................- - - - -................ 191923-1