5. Maintenance
Always disconnect the heater from the power supply before commencing any
maintenance task.
Servicing of electrical components should only be undertaken by competent
individuals.
Draining the unit
To drain the unit, first isolate the power supply and close the service valve on the
3-way manifold.
Open the drain cock on the cold inlet and open a hot outlet to enable air to replace
the draining water.
A small amount of water may remain in the tank following a full drain down.
This residual water can be drained by removing the heating element.
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