American Water Heater 319407-002 External Inspection & Cleaning of the Flame-trap

Figure 32B

Installing Air Filter Assembly:

Trim excess material, making sure there is enough to overlap by 4 inches (100 mm).

If the water heater has a sensor, the air filter must be trimmed around sensor.

External Inspection & Cleaning of the Flame-trap

Although not likely to occur, if debris collects on the flame- trap, use a vacuum, compressed air, or a soft bristle brush to remove it.

NOTE: If unable to inspect or clean the flame trap from underneath, follow the “Cleaning the Combustion Chamber and Flame-trap” section instructions.

Figure 33A

Flame-trap visual inspection

11/8”

(28 mm)

11/2”

Discard piece after trimming.

(38 mm)

OVERLAP 4” (100 mm)

Filter clip end on the air filter assembly.

Flashlight Mirror

Fit around sensor (if present), then wrap the air filter assembly around the bottom of the water heater (NOTE: Clip on top edge.)

Attach the filter clip as shown, holding the air filter assembly in place.

Flush fit against bottom of drain pan and/or floor.

Cleaning the Combustion Chamber and Flame-trap

1.	Follow procedure outlined in “Removing the Manifold
	Assembly”.
2.	Use a vacuum cleaner/shop vac to remove all loose
	debris in the combustion chamber (Figure 33B). Use
	compressed air to clear any dust or debris that may
	have accumulated in the flame-trap.

Drain pan removed for clarilty.

3. Reassemble following the procedure under “Replacing

the Manifold Assembly”.

Figure 33B
Combustion Chamber	Flame-trap	Bracket
Door Gasket

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