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Installation Caution Must Be Taken:
10. Prior to installing the new inner door/manifold/
burner assembly, look inside the burner chamber
to fully understand the correct positioning of the
burner assembly and burner manifold tab. It may
be necessary to use a flashlight to ensure correct
placement. Care must be taken so as to not
damage any electrical wiring, components or the
air pressure tubing as you are installing the new
inner door/manifold/burner assembly.
Extra caution should be taken to ensure
that electrical wiring, air hose, fiberglass
insulation nor any other object is between
door gasket and combustion chamber shield.
Installing New Inner Door/Manifold/Burner Assembly
11. Insert the manifold/burner assembly in the burner
chamber compartment, making sure that the tip
of burner manifold tab engages in the slot of the
bracket (Figure 86).
The tip end of the burner manifold MUST
be placed in the slotted portion under the
condensation pan to obtain proper installation
(Figure 86).
12. After confirming no material of any type are
between door gasket and combustion chamber
shield, align the screws on the inner door with
the screw holes on the combustion chamber and
tighten with 1/4” nut driver or 1/4” socket & ratchet
(Figure 85). After tightening the inner door
screws, visually inspect area around door
gasket and skirt for spaces or gaps. The door
gasket MUST be sealed completely in order
for the water heater to perform properly.
DO NOT OPERATE THE WATER HEATER IF
THE DOOR GASKET DOES NOT CREATE
A SEAL BETWEEN MANIFOLD DOOR AND
COMBUSTION CHAMBER.
13. Reconnect the manifold tube to the gas control
valve/thermostat (Note: Do Not apply any thread
sealant at this connection). To prevent any cross
threading the manifold tube should be started
by hand (turn clockwise -natural gas). Upon
tightening with the fingers and confirming it has
not been cross threaded, tighten nut with an 3/4”
open end wrench or crescent wrench (Figure 87).
14. Reconnect all the electrical connections to the
bottom of the gas control valve/thermostat, gently
pushing each connector up snapping into place
(Figure 87).
15. Reconnect the electrical flag terminals and air
pressure tubing to pressure switch (Figure 88).
16. Turn on the electrical and the gas supplies to the
water heater. Plug in the electric connection from
the transformer to the electric outlet (Figure 82).
17. Restart the water heater by following the
directions on the “Lighting and Operating
Instructions” label located on the front of the water
heater. Test gas connections by brushing on an
approved nonconcorrosive leak detection solution.
18. Upon verifying proper operation of the water
heater, replace the manifold cover/outer door.
IMPORTANT:
WHEN BRUSHING ON AN
APPROVED NONCORROSIVE
LEAK DETECTION SOLUTION,
DO NOT SPLASH SOLUTION
ONTO ELECTRICAL CON-
NECTIONS.
IGNITER/
FLAME
SENSE
CONNECTOR
MANIFOLD TUBE
POWER SUPPLY
TRANSFORMER
CONNECTOR
PRESSURE
SWITCH/FAN,
FV SENSOR
CONNECTOR
DISPLAY, ANODE
ROD CONNECTOR
GAS CONTROL
VALVE/THERMOSTAT
Figure 87.
Figure 85.
1/4” HEX
HEAD SCREW
Figure 86.
INNER DOOR/
MANIFOLD/BURNER
ASSEMBLY
SLOT
BURNER’S
TIP END
TAB
INSTALL
REMOVE
Figure 88.
PRESSURE
SWITCH
MANIFOLD
TUBE