DRAINING THE WATER HEATER
To drain the water heater:
• Open a hot water tap and allow the water to run for five minutes
immediately prior to draining the solar storage tank.
This will assist in the transfer of any high temperature water in the solar
collector(s) to the solar storage tank.
• Close the hot water tap.
Warning: Exercise care, as water discharged from the solar storage
tank may be of a very high temperature.
• Turn off the water heater (refer to “To Turn Off The Water Heater” on
page
47).
• Operate the relief valve release lever - do not let the lever snap back or you
will damage the valve seat.
Operating the lever will release the pressure in the water heater.
• Attach a hose to the spout of the drain cock. Let the other end of the hose
go to a drain.
• Open the drain cock using the handle.
• Operate the relief valve again.
This will let air into the water heater and allow the water to drain through the
hose.
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