Reliant FVIR GAS WATER HEATER Technical Information PDF herunterladen (Seite 17)

RESIDENTIAL GAS AND ELECTRIC WATER HEATER

TROUBLESHOOTING and SERVICE HANDBOOK

RELIANCE Water Heater Company Technical Training Department

FLAME ARRESTOR

Made from Corderite, a fireproof ceramic material, the flame arrestor is built into the base of the water

heater. Combustion air is drawn in through the LDO screen (s). After entering the bottom area of the

water heater, this air passes up through the small ports of the flame arrestor and into the combustion

chamber.

In the event flammable vapors are introduced accidentally into the combustion chamber, the flame

arrestor is designed so any flames burn off the top surface of the arrestor and cannot escape down

through the arrestor. The arrestor works somewhat like a check valve.

Service:

Inspect the bottom ports of the flame arrestor by removing the LDO screen (s) and using a mirror

and flashlight. Clean the ports if necessary by vacuuming the bottom of the arrestor.

Inspect the top of the flame arrestor by removing the inner door and burner assembly. Lift the heat

shield located on the bottom of the chamber. Inspect with the mirror and flashlight. Vacuum or blow

down any blocking material. If you blow down through the ports, be certain to also vacuum below

the arrestor.

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Reliant FVIR GAS WATER HEATER Technical Information Seite 17