Rheem GAS DOMESTIC OUTDOOR WATER HEATER Water Heater User Manual


 
LIGHTING THE WATER HEATER
29
CLOSE DOWN PROCEDURE
1. Turn the gas control knob to the
·” position (pilot). This setting will
leave the pilot flame alight however
the main burner will not be able to
light.
2. Turn the gas control knob to the
"z" (off) position. This setting shuts
the gas control down completely.
DRAINING THE WATER HEATER
To drain the water heater:
Turn off the water heater (refer to “To Turn Off The Water Heater” on
page 25).
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.