replacing the anode rod as needed.
Obtain new anode rods from a local
plumbing supplier or have a qualied
person replace it. (Anode rods are a
consumable item and are not covered
under warranty).
8
If sediment was present when
the tank was drained, ush the
tank by opening the cold water
supply valve and leng the water run
unl no more sediment drains from the
tank. Close the drain valve when you
are done.
Do not turn power back on
unl the tank is completely full of water.
For complete instrucons on lling the
tank, follow Step 8 in the Installaon
secon.
9
Rell the tank by opening the
cold water supply valve. Make
sure a hot water faucet is open
and the drain valve is closed. Allow the
hot water to run full for at least three
minutes to make sure the tank has all
the air removed and is completely full
of water. Failure to perform this step
can cause the upper heang element to
burn out. Once you are certain the tank
is completely full of water, close the hot
water faucet.
10
Restore power to the water
heater. It may take two hours
for the tank to heat up.
If you are not comfortable replacing a
heang element or thermostat yourself,
have this work done by a qualied
person. To replace the heang element,
you’ll need the following tools and
supplies:
Figure 28 - Non-Contact Circuit Tester
• Always turn power OFF and check the
power wires with a non-contact circuit
tester before working on the water
heater.
Figure 29 - Heating Element (with gasket)
• Check your water heater’s data plate
for the correct waage and voltage.
Heang elements are available at
most hardware stores.
Figure 30 - Element Wrench
• Some regular sockets (1 1/2 inch
SAE) may work, but regular sockets
are oen beveled and may slip.
Inexpensive element wrenches are
available at local plumbing supplier .
• Garden hose to drain the tank
• Hand dishwashing soap to lubricate
the gasket
• A clean cloth to clean the threaded
opening
• A at blade and a Phillips screwdriver
1
Turn the power OFF at the circuit
breaker or remove fuses.
Figure 31 - Circuit Breaker
2
Open the electrical juncon
box on the water heater. Using
a non-contact circuit tester,
check the power wires to make certain
the power is OFF.
Figure 32 - Non-Contact Circuit Tester
3
Open a hot water faucet and
let the hot water run unl it is
cool.
Figure 33 -
4
Connect a garden hose to the
drain valve and place the other
end of the hose in a drain or
outside (or use buckets). Turn OFF the
cold water valve that supplies the water
heater. Open the drain valve on the
water heater. Opening a hot water
faucet will help the tank drain faster.
Commercial Electric Water Heater Use and Care Guide • 25
MAINTENANCE
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