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WIRING/HARNESS & PROBES
See page 12
CONTROL BOARD
See page 11
BY-PASS
See pages 8-10
WATER INLET
See page 3
PRINTED IN U.S.A. 0403
PROPANE GAS TRAIN ASSEMBLY
See pages 8-10
JACKET/FRAME ASSEMBLY
See page 4
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
COMMERCIAL POWER BURNER BOILER
REPLACEMENT PARTS LIST
COPPER BOILERS FOR HYDRONIC
HEATING & HOT WATER SUPPLY
LEGEND MODELS LB/LW: 500, 750 & 1000
NATURAL GAS
TRAIN/BLOWER
ASSEMBLY
See pages 5-7
EXHAUST & DRAIN
ASSEMBLY
See page 3
1
PSD-3-153
SERIES: 300 - 301
WATERWAYS &
COMBUSTION
CHAMBER
See page 2
211691-000
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Related Manuals for A.O. Smith 750 & 1000
Summary of Contents for A.O. Smith 750 & 1000
- Page 1 PRINTED IN U.S.A. 0403 PROPANE GAS TRAIN ASSEMBLY See pages 8-10 JACKET/FRAME ASSEMBLY See page 4 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 PSD-3-153 COMMERCIAL POWER BURNER BOILER...
- Page 2 LB/LW WATERWAYS & COMBUSTION CHAMBER PARTS LIST Item Description 1 ... Bracket ... 191602 ... 191602 ... 191602 2 ... Burner and Cone Assembly ... 191850 ... 191850-1 ... 191850-2 3 ... Combustion Chamber Assembly ... 191529-2 ... 191529-3 ... 192129-1 4 ...
- Page 3 LB/LW EXHAUST, DRAIN & WATER INLET ASSEMBLY PARTS LIST Item Description 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 ...
- Page 4 Item Description 1 ... Bolt, Machine 5/16" - 18 ... 191358-1 ... 191358-1 ... 191358-2 2 ... Control Panel Assembly ...210601-1 ... 210601-1 ... 210601 3 ... Display Board ... 210219 ... 210219 ... 210219 4 ... Frame Assembly ... 210495 ... 210495-1 ... 210501-1 5 ...
- Page 5 LB/LW NATURAL GAS TRAIN/BLOWER ASSEMBLY- MODEL 500 Item Description 1 ... Blower ... 211613 2 ... Blower Adapter Assembly ... 191645 3 ... Blower Manifold Assembly ... 191832 *4 ... Bracket, Blower ... 191773 *5 ... Clamp, Hose ... 191794 6 ...
- Page 6 LB/LW NATURAL GAS TRAIN/BLOWER ASSEMBLY- MODEL 750 Item Description 1 ... Blower ... 211614 2 ... Blower Adapter Assembly ... 191645 3 ... Blower Manifold Assembly ... 191832 *4 ... Bracket, Blower ... 191773 *5 ... Clamp, Hose ... 191794 6 ...
- Page 7 LB/LW NATURAL GAS TRAIN/BLOWER ASSEMBLY - MODEL 1000 Item Description 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"...
- Page 8 LB/LW PROPANE GAS TRAIN ASSEMBLY - MODEL 500 Item Description 1 ...Valve, Main Gas ... 191956-1 2 ...Regulator, LP ... - - - - - 3 ...Valve, Manual Shut-Off ... 3423-4 4 ...Pipe Plug ... 3348 5 ...Switch, Low Gas Pressure ... 191149-3 6 ...Nipple, 1"...
- Page 9 LB/LW PROPANE GAS TRAIN ASSEMBLY - MODEL 750 Item Description 1 ... Valve, Main Gas ... 77780 2 ... Regulator, LP ... 192460 3 ... Valve, Manual Shut-Off ... 3423-3 4 ... Pipe Plug ... 3348 5 ... Switch, Low Gas Pressure ... 191149-3 6 ...
- Page 10 LB/LW PROPANE GAS TRAIN ASSEMBLY - MODEL 1000 Item Description 1 ... Valve, Main Gas, LP 300 Series ... 77780 2 ... Regulator, LP 301 Series ... 192460 3 ... Valve, Firing ... 3423-3 4 ... Pipe Plug ... 3348 5 ...
- Page 11 LB/LW CONTROL BOARD WHC 1502 Part Number 210128 LB/LW WIRING CHART COLOR GAUGE White Black Green White Black Green White Black Green Blue Yellow Brown White/Red White/Yellow White/Black Black/White Yellow/Blue Red/Green *** Use dash number to indicate length of wire. Example: 20 inch long red wire would be expressed as 170603-20.
- Page 12 Power Harness Assembly 210579-1 (-0 0n -500 Models Only) Transformer Harness Assembly 210578 (Model 1000) 211330 (Models 500 & 750) A.O. SMITH WATER PRODUCTS CO., INC. 5621 W. 115TH STREET • ALSIP, ILLINOIS 60803 210091 210152 99599-2 22-18 Ga. Pressure Flow Switch...