10. Drain the plumbing system completely by opening the tank drain valve and
the taps, to accelerate the process. Also remove the hot water tank drain
plug and drain the tank.
11. Turn off all the taps and close the drain valve, then replace the water heater
drain plug.
DRINKING WATER SYSTEM
Always pull on the pressure valve before removing the drain plug, to
avoid spraying scalding water, which can cause serious injury.
WARNING
To avoid injury, ensure that no hot water remains before emptying your
water heater. Turn off the water heater switch and open the hot water tap
until the running water is only warm.
WARNING
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