Draining and Flushing
The water heater should be drained if being shut down
during freezing temperatures.
It is recommended
the tank be drained, and flushed every 6 months to
remove sediment which may buildup during operation.
To drain the tank perform the following steps:
1. Turn off the power to water heater.
2. Close the cold water inlet valve and open a nearby
hot water faucet.
3. Connect a hose to the drain valve and terminate it
to an adequate drain.
Drain hose should be rated forat least 200°F.
If the drain hose does not have this rating, open the cold
water inlet valve and a nearby hot faucet until water is no
4. Open the water heater drain valve and the nearest
hot water faucet. Allow all the water to drain from the
tank. Flush the tank with water as needed to remove
5. Close the drain valve, refill the tank, and restore
If the water heater is going to be shut down for an
extended period, the drain valve should be left open.
If the temperature
and pressure relief valve
have a licensed
Do not plug valve.
Do not remove
Failure to follow
result in death, or explosion.
Manually operate the temperature and pressure relief
valve at least once a year to make sure it is working
properly. To prevent water
damage, the valve must
be properly connected to
a discharge line which
terminates at an adequate
Standing clear of the
outlet (discharged water
may be hot), slowly lift and
release the lever handle
on the temperature and
LINE TO DI_ [N
pressure relief valve to allow the valve to operate freely
and return to its closed position. If the valve fails to
completely reset and continues to release water,
immediately shut-off the electrical power and the cold
water inlet valve and call a qualified service technician.