A.O. Smith 750 & 1000, LB/LW: 500 Lb/Lw Natural Gas Train/Blower Assembly - Model, Description

LB/LW NATURAL GAS TRAIN/BLOWER ASSEMBLY - MODEL 1000

	Item	Description	Model 1000	Item	Description		Model 1000
1		Blower	192195	24 ....	Orifice, Air (Series 300 - Nat. Gas)		192737-3
2		Blower Adapter Assembly	192215-1	24 ....	Orifice, Air (Series 30211 - L.P. Gas)		192737-2
3		Blower Manifold Assembly	192217	25 ....	Orifice, Union (See Orifice Table Below)
4		Bracket, Blower	210214	26 ....	Plug, 1/8" Pipe		3348
5		Clamp, Hose	191794-3	27 ....	Port, Observation Lower		191572
6		Elbow, 1-1/4"	192216	28 ....	Port, Observation Upper		191572-1
7		Elbow, Union 1-1/4"	86506-1	29 ....	Screen, Air Inlet		192220-1
8		Flanged Observation Port	191573
				30 ....	Screw, Cap 1/4"		190960-2
9		Gasket, Blower Air Inlet	192213
				31 ....	Srew, Flathead #8-32 x 1/2"		191542
10		Gasket, Burner	191564
				32 ....	Screw, Flathead #8-32 x 3/4"		191542-1
11		Gasket, Manifold	191565
				33 ....	Switch, Low Pressure		191149-1
12		Gasket, Port (1/8" Thick)	191576
				34 ....	Shutter, Blower		192593
13		Nut, Hex 1/4", Serrated	210226
				35 ....	Shutter Flange		192592
14		Manifold Assembly - Air/Gas	192309
				36 ....	Tee, 1/8"		40119
15		Nipple, Close 1/8"	191147-3
				37 ....	Tee, Pressure		191633
16		Nipple, Close Stainless	191772-1
				38 ....	Tubing, Pressure		191562
17 ....		Nipple, Tapped	86505-3
18 ....		Nipple, 1-1/4" x 38-1/2"	86505-28	40 ....	U-Bolt Assembly (Gas Train)		191938-3
19 ....		Nipple, 1-1/4" x 28-3/4"	86505-27	41 ....	Valve, Main Gas		78481-3
20 ....		Nipple, 1-1/4" x 2"	86505	42 ....	Valve, Firing		3423-3
21 ....		Nipple, 1-1/4" x 3"	86505-2	43 ....	Valve, Solenoid Gas		192189
22 ....		Nipple, 1-1/4" x 4"	86505-6	44 ....	Washer, Plain		76820-18
23 ....		Nut, Hex 1/4"	191817-1	42 ....	Manual, Shut-off Valve		211695
	*Item Not Illustrated.
						DETAILBACKVIEW

LEGEND ORIFICE TABLE

Natural Size Elevation

Gas (inches) (Feet)

192222 0.555 0-2000

192222-1 0.537 2001-3000

192222-2 0.533 3001-4000

7