Upper thermostat, A warning, Awarning – Maytag HE21250S User Manual
Page 19: Lower thermostat, Service and maintenance (cont'd), Thermostat adjustments, Temperature-pressure relief valve operation
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Service and Maintenance (cont'd)
Thermostat Adjustments
If the upper thermostat is adjusted above the factory preset
point of 120°F (Hot), it cannot be set higher than the lower
thermostat setting. Read all warnings in the “Temperature
Regulation” section before proceeding.
UPPER THERMOSTAT
1. Turn “OFF” the electric power to the water heater at the
junction box.
A WARNING
HAZARD OF ELECTRICAL SHOCK! Before removing
any access panels or servicing the water heater,
make sure the electrical supply to the water heater
is turned "OFF". Failure to do this could result in
DEATH, SERIOUS BODILY INJURY, OR PROPERTY
DAMAGE.
2. Take off the access panel and fold away the insulation.
3, The slotted adjustment (using a screwdriver) can be turned
clockwise { f to increase the temperature setting or
counter clockwise ^ to decrease the temperature
setting.
4, Fold the insulation back in place and replace the access
panel.
5. Turn “ON” the power supply.
Temperature-Pressure Relief
Valve Operation
The temperature-pressure relief valve must be manually oper
ated at least once a year.
AWARNING
The
temperature-pressure
relief
valve
must
be
manually operated at least once a year. Caution
should be taken to ensure that (
1
) no one is in front
of or around the outlet of the temperature-pres
sure relief valve discharge line, and (
2
) the water
manually discharged wITI not cause any property
damage
or
bodily
injury.
The
water
may
be
extremely hot.
If after manually operating the valve, it fails to
completely reset and continues to release water,
immediately close the cold water inlet to the water
heater,
follow
the
draining
Instructions,
and
replace the temperature-pressure relief valve with
a new one.
LOWER THERMOSTAT
The adjustment dial can be turned clockwise { f ^) to
increase the temperature setting or counter clockwise
(/"
^) to decrease the temperature setting.
Failure to Install and maintain a new properly listed tempera
ture-pressure relief valve will release the manufacturer from
any claim which might result from excessive temperamre or
pressure.
AWARNING
If the temperature-pressure relief valve on the
appliance weeps or discharges periodically,
this
may be due to thermal expansion. Your water
heater may have a check valve installed in the
water line or a water meter with a check valve. Call
Maytag Customer Service at 1-800-788-8899 for an
authorized servicer. Do not plug the temperature-
pressure relief valve.
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