A.O. Smith 980 Series - Manual (Page 5)

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LB/L LB/L
LB/L LB/L LB/LW W
W W W
LB/LW 1000 NATURAL GAS TRAIN/BLOWER ASSEMBLY
Item Description Part No.
1 .... Blower .................................................. 192195
2 .... Blower Adapter Assembly .................... 192215-1
3 .... Blower Manifold Assembly .................... 192217
4 .... Bracket, Blower .................................... 210214
5 .... Clamp, Hose ........................................ 191794-3
6 .... Elbow, 1-1/4" ......................................... 192216
7 .... Elbow, Union 1-1/4" ............................... 86506-1
8 .... Flange, Observation Port ....................... 191573
9 .... Gasket, Blower Air Inlet ........................ 192213
10 .... Gasket, Burner ..................................... 191564
11 .... Gasket, Manifold ................................... 191565
12 .... Gasket, Port (1/8" Thick) ...................... 191576
14 .... Manifold Assembly - Air/Gas ................ 192309
15 .... Nipple, Close 1/8" ................................ 191147-3
16 .... Nipple, Close Stainless ........................ 191772-1
17 .... Nipple, Tapped ...................................... 86505-3
18 .... Nipple, 1-1/4" x 38 1/2" ........................ 86505-28
19 .... Nipple, 1-1/4" x 28 3/4" ........................ 86505-27
20 .... Nipple, 1-1/4" x 2" .................................. 86505
21 .... Nipple, 1-1/4" x 3" ................................. 86505-2
22 .... Nipple, 1-1/4" x 4" ................................. 86505-6
23 .... Nut, Hex 1/4” ........................................ 170272
24 .... Orifice, Air (Series 980 - Nat. Gas) ....... 192737-3
.... Orifice, Air (Series 981 - L.P. Gas) ....... 192737-2
25 .... Orifice, Union ................. See Orifice Table Below
26 .... Plug, 1/8" Pipe ........................................ 3348
27 .... Port, Observation Lower ........................ 191572
28 .... Port, Observation Upper ....................... 191572-1
29 .... Screen, Air Inlet ................................... 192220-1
30 .... Screw, Cap 1/4" ................................... 190960-2
31 .... Screw, Flathead #8-32 x 1/2" ................ 191542
32 .... Screw, Flathead #8-32 x 3/4" ............... 191542-1
33 .... Switch, Low Gas Pressure ................... 191149-1
34 .... Shutter, Blower ..................................... 192593
35 .... Shutter Flange ...................................... 192592
36 .... Tee, 1/8" ................................................ 40119
37 .... Tee, Pressure ....................................... 191633
38 .... Tubing, Pressure ................................... 191562
40 .... U-Bolt Assembly (Gas Train) ............... 191938-3
41 .... Valve, Main Gas .................................... 78481-3
42 .... Valve, Firing .......................................... 3423-3
43 .... Valve, Solenoid Gas .............................. 192189
44 .... Washer, Lock 1/4" .................................. 1006
Item Description Part No.
DETAIL BACK VIEW
LEGEND ORIFICE TABLE
Natural Propane Size Elevation
Gas Gas (inches) (Feet)
192222 --- 0.555 0-2000
192222-1 --- 0.537 2001-3000
192222-2 --- 0.533 3001-4000
--- 192739 0.333 0-2000
--- 192739-1 0.329 2001-3000
--- 192739-2 0.325 3001-4000