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5
TYPICAL INSTALLATION
GET TO KNOW YOUR WATER HEATER - GAS MODELS
A Vent Pipe
B Draft hood
C Anode (Not Shown)
D Hot Water Outlet
E Insulation
F Gas Supply Piping
G Manual Gas Shut-off Valve
H Ground Joint Union
I Drip Leg (Sediment Trap)
J Inner Door
K Outer door
L Union
M Inlet Water Shut-off Valve
N Cold Water Inlet
O Inlet Dip Tube
P Temperature & Pressure Relief Valve
Q Rating Plate
R Flue Baffl e
S Gas Control Valve/Thermostat
T Drain Valve
U Main Burner
V Flue
W Suitable Metal Drain Pan
X Control Display
Y Power Supply Transformer
(
Shown detached from Heater)
YY Pressure Switch
(
Shown detached from Heater)
Z Air Intake Chamber
ZZ FV Sensor (
Shown without Bracket)
INSTALL THERMAL EXPANSION
TANK IF WATER HEATER IS
INSTALLED IN A CLOSED
WATER SYSTEM
VACUUM RELIEF
VALVE
*INSTALL PER
LOCAL CODES
IMPORTANT:
WHEN BRUSHING ON AN
APPROVED NONCORROSIVE
LEAK DETECTION SOLUTION,
DO NOT SPLASH SOLUTION
ONTO ELECTRICAL CON-
NECTIONS (SEE PAGE 27).
M
N
A
L
B
P
D
E
Q
F
G
DISCHARGE PIPE
(DO NOT CAP OR PLUG.)
H
I
W
K
FLOOR DRAIN
6” MAXIMUM
AIR GAP
T
V
S
U
J
R
X
O
Z
Y
(S) GAS CONTROL VALVE/THERMOSTAT
IGNITER/
FLAME
SENSE
CONNECTOR
MANIFOLD TUBE
POWER SUPPLY
TRANSFORMER
CONNECTOR
PRESSURE
SWITCH/FAN,
FV SENSOR
CONNECTOR
DISPLAY, ANODE
ROD CONNECTOR
(U) NATURAL GAS BURNER ASSEMBLY
MANIFOLD DOOR GASKET
MANIFOLD COMPONENT
BLOCK W/ RETAINER CLIP
BURNER
FLAME SENSE
HOT SURFACE
IGNITER
MANIFOLD
TUBE
MANIFOLD DOOR ASSEMBLY
IGNITER / FLAME SENSE
CONNECTOR WIRE
IGNITER / FLAME SENSE
CONNECTOR WIRE
MANIFOLD DOOR ASSEMBLY
MANIFOLD TUBE
VIEW PORT
BURNER
ZZ
YY
* INSTALL IN ACCORDANCE
WITH LOCAL CODES.
* DRIP LEG AS REQUIRED
BY LOCAL CODES.
* ALL PIPING MATERIALS
TO BE SUPPLIED BY
CUSTOMERS.
TO VENT TERMINATION
ON ROOF
IMPORTANT: DO NOT USE AN EXTENSION CORD TO CONNECT
THE WATER HEATER TO AN ELECTRICAL OUTLET.
FIGURE 1.