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Operational Conditions - Whirlpool E1A30HS035V Installation And Use Manual

Residential electric water heater
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Operation Conditions
Each water heater contains at least one anode rod, which
will slowly deplete while protecting the glass-lined tank
from corrosion and prolonging the life of the water heater.
Certain water conditions will cause a reaction between
this rod and the water. Once the anode is depleted, the
tank will start to corrode, eventually developing a leak.
The most common complaint associated with the anode
rod is a 'Yotten egg smell" produced from the presence
of hydrogen sulfide gas dissolved in the water. Do not
remove this rod permanently as it will void any
stated or implied. The parts list includes
a special anode that can be ordered if water odor or
discoloration occurs. This rod may reduce but not eliminate
water odor problems. The water supply system may
require special filtration equipment from a water
conditioning company to successfully eliminate all water
odor problems.
Artificially softened water is exceedingly corrosive
because the process substitutes sodium ions for
magnesium and calcium ions. The use of a water softener
may decrease the life of the water heater tank.
The anode rod should be removed from the water heater
tank every 3 years for inspection. If the rod is more than
50% depleted, the anode rod should be replaced.
For replacing the anode, shut-off the power to the water
heater. Be sure the cold water supply to the heater is
turned off. Open the hot water faucet to depressurize
the water tank. Drain out 5 gallons of water from the
drain valve at the bottom of the heater. Remove the
anode rod. See the "Repair Parts Illustration" for anode
rod location on page 15.
Water Heater Sounds
During the normal operation of the water heater, sounds
or noises may be heard. These noises are common and
may result from the following:
Normal expansion and contraction of metal parts
during periods of heat-up and cool-down.
Sediment buildup in the tank bottom will create
varying amounts of noise and may cause
premature tank failure. Drain and flush the tank
as directed under "Draining and Flushing".
Stacking occurs when a series of short draws of hot
water (3 gallons or less) are taken from the water heater
tank. This causes increased cycling of the heater elements
and can result in increased water temperatures at the
hot water outlet. An anti-scald device is recommended
in the hot water supply line to reduce the risk of scald

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