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GET TO KNOW YOUR WATER HEATER
REPLACEMENT PARTS AND DELIMING PRODUCTS
A VENT PIPE-EXHAUST
B ANODE
C HOT WATER OUTLET
D OUTLET (115 V. AC)
E FLUE BAFFLE
F GAS SUPPLY
G MAIN MANUAL GAS
SHUT OFF VALVE
H GROUND JOINT UNION
J DIRT LEG
K OUTER DOOR
L UNION
M INLET WATER SHUT
OFF VALVE
N COLD WATER INLET
O INLET DIP TUBE
P TEMPERATURE AND
PRESSURE RELIEF VALVE
Q RATING PLATE
R INSULATION
S VENT TERMINAL EXHAUST
T DRAIN VALVE
U HSI ASSEMBLY
V FLUE
W DRAIN PAN
X GAS VALVE
Y CONTROL HARNESS
Z INTAKE AIR PIPE
AA VENT TERMINAL INTAKE
BB INNER DOOR
CC BURNER ASSEMBLY
FIGURE 1.
* CAUTION: 115VAC IN CONTROL
HARNESS AND INSIDE JACKET
GAS MODEL
GPDH/GPDT/GPDX
WITH HOT SURFACE IGNITION
CERTAIN MODELS ARE EQUIPPED
WITH SIDE PLUMBING
CONNECTIONS FOR SPACE
HEATING. HOT AND COLD FITTING
ASSEMBLIES PART NO. 900126-2.
TEMPERATURE INDICATORS
TEMPERATURE ADJUSTMENT BUTTONS
TYPICAL NATURAL GAS PILOT
& MAIN BURNER
HOT SURFACE
IGNITION ASSEMBLY
Replacement parts and recommended delimer may be
ordered through authorized servicers or distributors. Refer to
the Yellow Pages for where to call or contact the A.O. Smith
Water Products Company, 125 Southeast Parkway, Franklin,
TN 37068, 1-800-433-2545. When ordering parts, provide
complete model and serial numbers (see rating plate), quantity
and name or part desired (as listed in Figure 1). Standard
hardware items may be purchased locally.
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