Inspection and Maintenance Schedule 145
8.1 Maintenance
This section describes various maintenance procedures that may
need to be performed on the water heater from time to time.
8.1.1 Cleaning the Water Heater
CAUTION
Make sure the water heater is turned off and the power supply
is disconnected before cleaning the water heater. The water
heater may remain hot for several minutes after it is turned off.
To prevent burns, wait until the water heater has cooled down
before cleaning.
To clean the water heater, wipe the outside with a damp cloth. Use
a non-acidic, non-abrasive cleaner to remove any surface stains.
The front panel is moisture resistant, but it is not waterproof. Keep
it as dry as possible.
8.1.2 Draining the Water Heater
You need to drain the water heater before performing
maintenance tasks, such as cleaning the inlet water filter, or to
prevent the water heater from freezing when it will not be used for
an extended period.
To drain the water heater:
1. Place a bucket under the water heater, to collect the residual
water inside the water heater.
2. Press the Power button on the front panel to turn off the
power to the water heater.
3. Close the gas valve.
Close
4. Close the water supply valve on the inlet to the water heater. If
there is no valve, turn off the water supply at the water main.
5. Open all hot water faucets completely. The water that remains
in the plumbing lines will drain out.
8. Inspection and Maintenance Schedule
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