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Care and cleaning of the water heater.
Draining the Water Heater
!
CAUTION: Shut off gas to the water
heater at the gas control (thermostat) gas
cock or manual shut-off valve before
draining water.
!
DANGER: Before manually operating the
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
Vacuum around the base of the water
heater for dust, dirt and lint on a
regular basis.
To insure sufficient ventilation and
combustion air supply, proper
clearances must be maintained.
!
DANGER: Combustible materials, such
as clothing, cleaning materials,
or flammable liquids, etc., must not
be placed against or next to the water
heater.
18
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 gas control
(thermostat), burner, relief valve,
internal flue-way 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 gas control (thermostat)
sensors, causing the sensors to operate
erratically. Because accumulated
solids can prevent the gas control
(thermostat) sensors from accurately
reading the water temperature, the
water
at the fixture can be hotter than the
gas control (thermostat) dial setting. It
is suggested that a few quarts (litres)
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 inspected 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.
!
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.
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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