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48
SECTION X: MAINTENANCE
DANGER
DO NOT ATTEMPT TO REPAIR GAS VALVE.
DO NOT ATTEMPT TO REPAIR IGNITION MODULE.
DO NOT ATTEMPT TO REPAIR VENTURI.
DO NOT ATTEMPT TO REPAIR THERMOSTAT BOARD.
DO NOT ATTEMPT TO REPAIR TRANSFORMER.
DO NOT ATTEMPT TO REPAIR PRESSURE SWITCH.
GENERAL
KEEP APPLIANCE AREA CLEAR AND FREE FROM COMBUSTIBLE MATERIALS, GASOLINE AND OTHER
FLAMMABLE VAPORS AND LIQUIDS.
Water heater maintenance includes periodic tank flushing and cleaning, and removal of lime scale. The unit should be
inspected and adjusted to maintain proper combustion. Refer to Table 5, “Suggested Maintenance Schedule”. A periodic
inspection of the venting system should be made.
BURNER FLAME CHECK
At the time of installation and at monthly intervals, a visual check of the burner flames should be made to determine if they
are burning properly. The main burner may be seen through the sight glass window on the front of the combustion insert
mounting bracket (Figure 27). The burner flames should be a blue flame near the burner surface in a uniform flame
pattern. Occasional yellow or white streaks are normal.
Figure 27. Sight Glass Location