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Customer Service Troubleshooting Tips Care and Cleaning Operating Instructions Installation Instructions Safety Instructions
20
Care and cleaning of the water heater.
Draining the Water Heater
CAUTION: Turn off power to water
heater and shut off gas supply line at
manual shut-off valve before draining
water.
DANGER: The water drained from the
tank may be hot enough to present a
scald hazard and should be directed to a
suitable drain to prevent injury or damage.
In order to drain the water heater, open
a hot water faucet or lift the handle on
the relief valve to admit air to the tank. Turn off
incoming water supply.
Attach a garden hose to the drain valve
on the water heater and direct the stream of
water to a drain where it will cause no damage.
Routine Preventive Maintenance
Properly maintained, your water heater will
provide years of dependable, trouble-free service.
It is recommended that a routine preventive
maintenance program be established and
followed by the user.
It is further recommended that a periodic
inspection of the thermostat, burner, relief
valve, venting system and internal flueway
should be made by a service technician qualified
in gas appliance repair. To make certain the
internal flueway is clean, remove blower (refer to
illustration on page 12) and remove flue baffle
(refer to illustration on page 9). When
reinstalling flue baffle, make certain it is hung
securely by its hanger at the top of the flueway.
Remove any scale that may have fallen on the
burner or floor shield. Reinstall the blower (refer
to illustration on page 12).
Inspect plastic vent pipe. Make certain that all
joints are secure and that vent pipe supports
are all in place. Check outdoor vent terminal to
see that it is free of obstructions, and that
there is no damage nearby caused by
condensate.
Inspect dilution air inlet (refer to second
illustration on page 21). Make certain no
blockage exists. Clean any lint, dirt or oil
accumulation that may exist.
At least once a year, lift and release the lever
on the temperature and pressure relief valve,
located near the top of the water heater,
to make certain the valve operates freely.
Allow several gallons to flush through the
discharge line to an open drain. Make certain
the discharged water is directed to a suitable
drain.
NOTE: If the temperature and pressure
relief valve on the hot water heater
discharges periodically, this may be due
to thermal expansion in a closed water
system. Contact the water supplier or
your plumbing contractor on how to
correct this. Do not plug the relief valve
outlet.
A water heater’s tank can act as a settling
basin for solids suspended in the water.
It is therefore not uncommon for hard water
deposits to accumulate in the bottom of the
tank. Deposits should not be allowed to
accumulate, as this can affect the service life of
the water heater. It is suggested that a few
quarts of water be drained from the water
heater’s tank every month to clean the tank of
these deposits. If sufficient hard water
deposits accumulate, a rumbling or pounding
sound can occur. There is no danger involved
and the efficiency of the water heater is not
seriously affected, but the noise can be
annoying. Your plumbing contractor should be
contacted to clean the tank of these deposits.
Rapid closing of faucets or solenoid valves in
automatic water-using appliances can cause a
banging noise heard in a water pipe.
Strategically located risers in the water pipe
system or water hammer arresting devices can
be used to minimize the problem.
Housekeeping
Vacuum around the base of the water heater for
dust, dirt and lint on a regular basis.
Inspect the blower for excessive lint buildup and
clean as necessary.
To ensure sufficient ventilation and combustion
air supply, proper clearances must be
maintained.
DANGER: Combustible materials,
such as clothing, cleaning materials or
flammable liquids, must not be placed
against or next to the water heater.
DANGER: Before
manually operating the
relief valve, make certain no
one will be exposed to the
danger of coming in
contact with the hot water
released by the valve. The
water may be hot enough
to create a SCALD hazard.
The water should be
released into a suitable
drain to prevent injury or
property damage.
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