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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. 0502 211591-000
NATURAL GAS
TRAIN/BLOWER
ASSEMBLY
See page 5
PROPANE GAS TRAIN ASSEMBLY
See page 6
WATERWAYS &
COMBUSTION
CHAMBER
See page 2
EXHAUST & DRAIN
ASSEMBLY
See page 3
BY-PASS
See page 6
WIRING/HARNESS & PROBES
See page 8
JACKET/FRAME ASSEMBLY
See page 4
CONTROL BOARD
See page 7
WATER INLET
See page 3

PSD-3-152/a

COMMERCIAL POWER BURNER BOILER

REPLACEMENT PARTS LIST

COPPER BOILERS FOR HYDRONIC

HEATING & HOT WATER SUPPLY

LEGEND MODELS LB/LW: 1000
SERIES 300, 301