Replacing the Burner Door Assembly

1.Check the door gasket for damage or imbedded debris prior to installation.

GAS CONTROL VALVE

THERMOSTAT

BURNER DOOR

ASSEMBLY

FIGURE 30.

9.Check for leaks by brushing on an approved noncorrosive leak detection solution. Bubbles will show a leak. Correct any leak found.

10.Replace the outer door.

Piezoelectric Igniter System

The piezoelectric igniter system consists of the igniter button, electrode, and wire. The pilot is ignited by an electric spark generated when the igniter button is pressed. The electrode should be centered between the pilot and thermocouple. (See Figure 31). Use only factory authorized piezoelectric igniter parts for replacement.

2.

Inspect the viewport for damage and replace as required.

3.

Insert the burner door assembly into the combustion

 

chamber and slide it completely forward. Note: When

 

inserting the burner door assembly, tip the burner end up

 

slightly to ensure it engages with the burner bracket.

4.

Inspect the door gasket and make sure there is no

IGNITER BUTTON

PILOT

PILOT BRACKET

ELECTRODE

fiberglass insulation between the door gasket and the

combustion chamber (See Figure 30).

5. Replace the two screws, which secure the burner door

assembly to the combustion chamber and tighten

securely. Once the burner door assembly is tightened,

visually inspect the door gasket between the burner door

assembly and the combustion chamber for spaces or

gaps that would prevent a seal. IMPORTANT: Do not

operate the water heater if the door gasket does not

create a seal between the burner door assembly and the

combustion chamber.

6. Reconnect the manifold tubing, pilot tubing, and

thermocouple to the thermostat. Do not cross-thread

or apply any thread sealant to these fittings. The

thermocouple nut should be started and turned all the

way in by hand. An additional 1/2 - 3/4 turn with a 7/16”

open end wrench will then be sufficient to seat the

lockwasher.

7. Reconnect the igniter wire.

8. Turn gas supply on and refer to the “Operating Instructions”.

THERMOCOUPLE

SNAP-ON CONNECTOR

WIRE

TO

ELECTRODE

FIGURE 31.

Testing the Igniter System

Turn off the gas to the water heater at the manual gas shut-off valve. Watch the electrode tip while activating the igniter. A visible spark should jump from the electrode. To avoid shock, do not touch the burner or any metal part on the pilot or pilot assembly. If no spark is visible, check the wire connections and make sure the electrode is not broken. Replace the electrode if defective. NOTE: The electrode is part of the pilot assembly and cannot be replaced separately. Dirt and rust on the pilot or electrode tip can prevent the igniter spark. Wipe clean with a damp cloth and dry completely. Rust can be removed from the electrode tip and metal surfaces by lightly sanding with an emery cloth or fine grit sandpaper.

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