Specifications

SERVICE INFORMATION
SIX MONTHLY SERVICE-BY OWNER
Operate the Pressure & Temperature relief valve for approximately 10
seconds by operating the easing lever on the valve to ensure water is relieved
to waste through the relief drain pipe. Check to ensure the valve closes
correctly.
FIVE YEAR SERVICE - BY AUTHORISED PERSONNEL ONLY
The five yearly services should be carried out by a licensed tradesperson
where it is recommended that this service be carried out by your local Dux
agent.
The service should include the following:
• Replace the Pressure & Temperature relief valve.
• Replace the anodes. (in areas of harsh or adverse water conditions it is
recommended that you carry out a more frequent check of your anodes
condition.
• Flush the water heater. (To drain and flush the water heater)
(i) Turn off the power.
(ii) Turn off the cold water supply to the water heater at the isolating
valve.
(iii) Gently operate the easing lever on the Pressure & Temperature
relief valve to release the pressure in the water heater.
(iv) Disconnect the cold water inlet union to the heater and attach a
drain hose.
(v) Gently operate the Pressure & Temperature relief valve to let air
into the heater and allow water to escape through the hose.
(vi) To flush the heater, carry out steps (i) to (iv) above. Disconnect
the hot water inlet union and attach a water supply hose to the
heater. Turn on the water supply.
(vii) Flush the heaters until clear water appears then reconnect all
fittings, fill the heater and restore the electricity supply.
Part No: H3023 19 of 22
Version: 10155A