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23
MAINTENANCE
The following maintenance should be performed by a qualified service
technician at the minimum periodic intervals suggested below. In some
installations, the maintenance interval may be more frequent depending on
the amount of use and the operating conditions of the water heater. Regular
inspection and maintenance of the water heater and vent-air intake system
will help to insure safe and reliable operation.
1. Annually check the operation of the thermostat.
2. The flow of combustion and ventilation air MUST NOT be restricted.
Make sure slots in jacket are open and unobstructed. Clear jacket slot
openings of any dirt, dust, or other restrictions. WARNING! The ventilation
air system may be HOT.
3. At all times keep the water heater area clear and free from combustible
materials, gasoline and other flammable vapors and liquids.
4. Bi-annually conduct a visual check of the main and pilot burner flames to
determine that they are burning properly. See Burner Flame Check
section of this installation and operation manual. If sooting or other
burner anomalies are evident, shut down the water heater by turning off
the gas per the instructions listed in this manual or as listed on the water
heater.
5. Annually remove the inner door and main burner assembly to clean
orifices and related parts of any dirt or other foreign material. Inspect the
burner ports for obstructions or debris and clean with a wire brush as
needed. Wire brush and/or vacuum clean the combustion chamber as
needed to remove scale deposits and debris. NOTE: It is imperative for
proper operation of the water heater that the inner door be replaced in the
original location, making certain the resetable thermal switch is properly
connected to the gas control wire leads provided.
IMPORTANT
The water heater should be inspected at a minimum annually by a
qualified service technician for damaged components and/or joints not
sealed. DO NOT operate this water heater if any part is found damaged
or if any joint is found not sealed.
WARNING
Water heaters are heat producing appliances. To avoid damage or injury
there shall be no materials stored against the water heater or vent-air intake
system, and proper care shall be taken to avoid unnecessary contact
(especially by children) with the water heater and vent-air intake system.
UNDER NO CIRCUMSTANCES SHALL FLAMMABLE MATERIALS, SUCH
AS GASOLINE OR PAINT THINNER BE USED OR STORED IN THE
VICINITY OF THIS WATER HEATER, VENT-AIR INTAKE SYSTEM OR IN
ANY LOCATION FROM WHICH FUMES COULD REACH THE WATER
HEATER OR VENT-AIR INTAKE SYSTEM.