71
Standard Drain Method
Service isolator valve kits may be purchased from
the manufacturer, distributor, or place of purchase.
The kits include two full-port isolation valves to be
used in the inlet and outlet water lines. These kits
provide a means for full diagnostic testing and ease
of system flushing and draining.
Freeze Protection
WARNING:
Failure to drain the water heater can cause serious
personal injury from scalding and/or product damage.
Whenever the water heater may be exposed to
freezing conditions, precautions should be taken to
help prevent the water heater from freezing.
Freezing conditions come from the ventilation
system on direct-vent models and from exposure to
cold air on outdoor models.
All of these water heaters are equipped with a freeze
protection electric heater. This heater helps prevent
freezing inside the water heater down to an outside
temperature of -30°F (-35°C) on indoor installations
and approximately -4°F (-20°F) on outdoor
installations. These temperatures are all based on
temperatures without wind.
The heater only protects the internal components of
the water heater.
NOTICE:
Unplugging or disconnecting the power supply to the
water heater will also disconnect the power to the freeze
protection electric heater.
External piping and valves require additional
freeze protection. One method is to wrap insulation
around the piping and valves.
Another method is to turn on a hot water faucet and
leave a small amount of water running at a faucet.
This will help protect the water heater, piping, and
valves from freezing.
If power outages occur during freezing conditions,
it is recommended to completely drain the water
heater to help prevent damage to the unit. See
"Draining the Water Heater." Once power is restored,
refill the water heater and check for frozen or leaking
components.
Components or heat exchangers damaged
by freezing conditions is not covered under
manufacturer's warranty.
Running Water Freeze Protection
Turn off the water heater by pressing the POWER
ON/OFF button on the remote control.
Close the gas shut-off valve(s).
Open a hot water faucet slightly until the water
stream is approximately 1/8 in. (0.3 cm). Be sure to
check the flow periodically.
1
2
3
Care Instructions
Cold Water
Service Valve
Drain
Water Outlet
Hot Water
Service Valve
Pressure
Relief
Valve
Water
Inlet
CARING FOR YOUR WATER HEATER
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