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24
D. An excess of active hydrogen in the tank. This is caused by
corrosion protective action of the anode.
Smelly water may be eliminated or reduced in some water heater
models by replacing the anode rod (s) with one of less active
material, and then chlorinating the water heater tank and all hot
water lines. Contact the local Sears Service Center for further
information concerning an Anode Replacement Kit #9001453
and this Chlorination Treatment. Anode replacement and
chlorination of the tank are not covered by the water heater’s
limited warranty.
If the smelly water persists after the anode replacement and
chlorination treatment; then you should consider chlorinating or
aerating your water supply.
Do not remove the anode leaving the tank unprotected. By
doing so, all warranty on the water heater tank is voided.
“AIR” IN HOT WATER FAUCETS
HYDROGEN GAS: Hydrogen gas can be produced in a hot
water system that has not been used for a long period of time
(generally two weeks or more). Hydrogen gas is extremely
fl ammable and explosive. To prevent the possibility of injury
under these conditions, we recommend the hot water faucet
be opened for several minutes at the kitchen sink before any
electrical appliances which are connected to the hot water
system are used (such as a dishwasher or washing machine).
If hydrogen gas is present, there will probably be an unusual
sound similar to air escaping through the pipe as the hot water
faucet is opened. There must be no smoking or open fl ame near
the faucet at the time it is open.
RUMBLING NOISE
In some water areas, scale or mineral deposits will build up on
your heating elements. This buildup will cause a rumbling noise.
Follow Element Cleaning/Replacement instructions to clean and
replace the elements.
HIGH TEMPERATURE SHUT OFF SYSTEM
The water heater has a high limit shut off system with a reset
button located on the thermostat.
Follow the resetting instructions which refer to the high limit
behind the access panel.
NOTE: If your water heater is connected to an “Off Peak” Clock,
and uses the “3 wire lead” wiring diagram in the Wiring Diagram
section, then the water heater will have a high limit on both the
upper and lower thermostats. Follow the instructions to reset the
high-limit behind the upper and lower access panels.
1. Before beginning, turn “OFF” electrical power supply to the
water heater.
FIGURE 44.
2. Remove the screw securing the access panel, then remove
the panel.
3. Fold the insulation back to expose the thermostat.
4. Reset the high limit by pushing in the red button marked
“RESET”.
FIGURE 45.
5. Replace the insulation so that it completely covers the
thermostat and element.
6. Replace the access panel.
7. Turn “ON” electric power to the water heater.
If the high limit must be reset again, call Sears Service Department
to fi nd out why the high limit turned “OFF” the electric power
NOT ENOUGH OR NO HOT WATER
1. In a new installation, the water heater may not be properly
connected. Make sure the cold water supply valve is open.
Review and check piping installation. Make sure that the
cold water line is connected to the cold water inlet to the
water heater and the hot water line to the hot water outlet
on the water heater.
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