Rheem GAS BOOSTED SOLAR WATER HEATER User Manual download pdf (Page 12)

REGULAR CARE

TEMPERATURE PRESSURE RELIEF VALVE

This valve is near the top of the water heater and is essential for its safe operation. It is possible for the

valve to release a little water through the drain line during each heating period. This occurs as the water

is heated and expands by approximately 1/50 of its volume.

Continuous leakage of water from the valve and its drain line may indicate a problem with the water

heater (refer to “Temperature Pressure Relief Valve Running” on page 15).

WARNING: Never block the outlet of this valve or its drain line for any reason.

Operate the easing lever on the temperature pressure relief

valve once every six months. It is very important you raise

and lower the lever gently.

WARNING: Failure to do this may result in the water heater

cylinder failing.

If water does not flow freely from the drain line when the lever is

lifted, then the water heater should be checked by your nearest

Solahart Dealer.

The temperature pressure relief valve should be checked for

performance or replaced at intervals not exceeding 5 years, or

more frequently in areas where there is a high incidence of water

deposits (refer to “Water Supplies” on page 52).

EXPANSION CONTROL VALVE

In many areas, including South Australia, Western Australia and

scaling water areas, an expansion control valve is fitted to the

cold water line to the water heater. Water will flow from its drain

line during the heating period.

Operate the easing lever on the expansion control valve once

every six months. It is very important you raise and lower the

lever gently. The expansion control valve should be checked for

performance or replaced at intervals not exceeding 5 years, or

more frequently in areas where there is a high incidence of water

deposits.

COLLECTOR GLASS

Ensure the glass on your solar collectors is free of dust, salt spray or any other matter, which may

reduce the effectiveness of the solar collectors. If the collector glass becomes dirty, hose down or if the

solar collectors are accessible, wash the collector glass with water and a soft brush when the solar

collectors are cool. Have any trees trimmed which may shade the solar collectors.

GENERAL MAINTENANCE

The jacket of the water heater can be cleaned with a soft cloth and warm mild soapy water. Under no

circumstances should abrasive materials or powders be used.

SERVICING

For safe and efficient operation, the water heater should be serviced annually by your nearest Solahart

Dealer. Only genuine replacement parts should be used on this water heater.

Warning: Servicing of the water heater should only be carried out by authorised personnel.

water

heater

drain

line

lift until water

flows from the

drain line –

lower gently

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Rheem GAS BOOSTED SOLAR WATER HEATER User Manual Page 12

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