Rheem 311 Series Service Manual download pdf (Page 10)

REGULAR CARE

MAJOR FIVE YEAR SERVICE

It is recommended a major five year service be conducted on the water heater.

Warning: Servicing of a water heater must only be carried out by qualified

personnel. Phone Rheem Service or their nearest Accredited Service Agent.

Note: The five year service and routine replacement of any components, such

as the anode and relief valve(s), are not included in the Rheem warranty. A

charge will be made for this work. Only genuine replacement parts should be

used on this water heater.

The major service includes the following actions:

Replace the temperature limiting valve (RheemPlus model)

Replace the temperature pressure relief valve.

Inspect and flush the expansion control valve (if fitted). If required, replace

the valve.

Inspect and if required, replace the anode.

If the anode is not replaced, it should be replaced within three years of this

service (refer to “Anode Inspection and Replacement” on page 15).

Check and if necessary adjust the inlet gas pressure.

Check the piezo igniter, gas control and thermocouple.

Check the operation of and clean the pilot light and main burner.

Visually check the unit for any potential problems.

Inspect all connections.

Check the drain line from the safe tray (if one is installed) is not blocked.

Note: The water heater may need to be drained during this service. After the

completion of the service, the water heater will take some time to reheat the

water. Hot water may not be available for a while.

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Rheem 311 Series Service Manual Page 10