19
CARING FOR YOUR WATER HEATER
Preventive Maintenance
WARNING: Failure to perform routine
preventive maintenance can prevent the water
heater from operating properly. Improper operation
can cause carbon monoxide dangers, excessive
water temperatures, and other potentially hazardous
conditions resulting in death, personal injury, and/or
product damage.
Properly maintaining your water heater will ensure
dependable, trouble-free service.
User Preventive Maintenance
Establish and follow a routine preventive maintenance
program. The following suggested items should be
included in your program.
• The user shall check and clean the water filter
monthly. See “Water Filter Cleaning” on page 17.
WARNING: Hot water is released during
manual operation of the relief valve. Make sure all
people and animals are clear from the area before
performing this check to prevent death, personal
injury, and/or property damage from hot drain water.
• The user shall check the operation of the pressure
relief valve annually. Lifting the lever handle on
the pressure-relief valve opens the valve to flush
hot water through the discharge line to the drain.
After several gallons have drained, release the lever
handle to close the valve and stop draining.
NOTICE: If the pressure relief valve on the
hot water heater discharges periodically, this may
indicate a problem in the water system. Contact the
water supplier or a plumbing contractor to correct
the problem. DO NOT plug the relief valve outlet.
• Inspect and keep the area around the water heater
clear and free of flammable materials, such as
gasoline and other flammable vapors and liquids.
• Visually inspect the water heater for damage and/or
denting. If present, contact a service personnel to
verify proper operation.
• Check for abnormal sound during normal operation
(e.g., hissing or banging noises). Contact a qualified
service technician or plumbing contractor.
• Check all gas and water pipes for leaks. See page
55.
NOTICES:
– DO NOT operate the water heater if you feel
something is wrong with the unit.
– DO NOT allow children to operate or handle
the unit.
• After inspections, maintenance, and/or cleaning,
ensure proper operation by turning on a hot water
faucet.
Professional
Preventive Maintenance
It is recommended that a periodic inspection of the
water heater burner, relief valve, air intake filter,
water filter, and venting system be made by a qualified
service technician.
Care Instructions
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