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20
Care and cleaning of the water heater.
Draining the Water Heater
CAUTION: Shut off gas to the water
heater at the manual shut-off valve
before draining water.
DANGER: Before manually operating
the temperature and pressure relief
valve, make certain no one will be
exposed to the hot water released by
the valve. 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, turn off
the cold water supply. Open a hot water
faucet or lift the handle on the relief valve
to admit air to the tank.
Attach a garden hose to the drain valve on
the water heater and direct the stream of
water to a drain. Open the valve.
Housekeeping
Visually inspect pilot burner and relight if
necessary.
To ensure sufficient ventilation and
combustion air supply, proper clearances
must be maintained.
When installed in a closet, DO NOT
block or obstruct any of the combustion
air inlet openings located around
the perimeter of the water heater. A
minimum of 1” is required between these
combustion air inlet openings and any
obstruction.
Routine Preventative Maintenance
Properly maintained, your water heater
will provide years of dependable trouble-
free service.
It is recommended that a periodic
inspection of the Combination Gas Control
(Thermostat), burner, relief valve, and
venting system should be made by service
personnel qualified in gas appliance repair.
It is suggested that a routine preventative
maintenance program be established and
followed by the user.
At least once a year, lift and release the
lever handle on the temperature 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.
NOTICE: 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. If allowed to accumulate, these solids
can cover the Combination Gas Control
(Thermostat) sensors, causing the sensors
to operate erratically. Because accumulated
solids can prevent the Combination
Gas Control (Thermostat) sensors from
accurately reading the water temperature,
the water at the fixture can be hotter than
the Combination Gas Control (Thermostat)
dial setting. 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.
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.
The anode rod should be removed from the
water heater’s tank annually for inspection
and replaced when more than 6” of core
wire is exposed at either end of the rod.
Make sure the cold water supply is turned
off before removing anode rod.
This water heater incorporates a
combustion shut off device that shuts
the operation of the water heater down
if undesirable combustion conditions
occur. Such as the presence of flammable
vapors or blockage of the combustion air
inlet openings. Please contact a Qualified
Service Technician if this occurs.
DANGER: Before
manually operating
the relief valve, make
certain no one will
be exposed to the
danger of 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.
!
DANGER: Combustible
materials, such as clothing,
cleaning materials, or
flammable liquids, etc.,
must not be placed against
or next to the water heater.
!
DANGER: Failure to
perform the recommended
Routine Preventative
Maintenance can harm the
proper operation of this
water heater, which can
cause carbon monoxide
dangers, excessive hot
water temperatures and
other potentially
hazardous conditions.
DANGER: Hotter
water increases the
potential for Hot Water
Scalds.
!
!
!
!
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