Draining The Water Heater - Rheem 441 Series Owner's Manual And Installation Instructions

DRAINING THE WATER HEATER

Warning: Exercise care, as water discharged from the water heater may be
of a very high temperature.
To drain the water heater:

Turn off the water heater (refer to

Close all hot water taps.

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.

Undo the union at the cold water inlet to the water heater and attach a hose
to the water heater side of the union.
Let the other end of the hose go to a drain.

Operate the relief valve again.
This will let air into the water heater and allow the water to drain through the
hose.
318457 Rev D Issued: 15/11/18
"To Turn Off the Water Heater"
38
on page 33).