Draining The Storage Tank - Rheem RT1000C6 Owner's Manual And Installation Instructions

Warning: Exercise care, as fluid discharged from the storage tank may be of a very high temperature.
To drain the storage tank:

Turn off the storage tank (refer to

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 storage tank.

Undo the union at the cold inlet to the storage tank and attach a hose to the storage tank 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 storage tank and allow the water to drain through the hose.
Alternatively if a drain line is installed, the system can be drained from the drain line connection point
located at the base of the cylinder in lieu of the cold inlet. If the drain line was not installed, the insulation
would have to be removed to gain access to the drain connection point.

DRAINING THE STORAGE TANK

"To Turn Off The Storage Tank"
on page 26).
27