AM Series Boilers and Water Heaters User Manual
CHAPTER 10
– MAINTENANCE
OMM-0100_E
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GF-146
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11/15/2019
Technical Support
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(800) 526-0288
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13.
Use a vacuum cleaner to remove any unburned residue from the combustion chamber.
14.
Clean the surfaces of the burner and around the electrodes using the vacuum cleaner.
WARNING!
While performing the next step, carefully wash only the inside of the combustion chamber
and do not get water on the outside of the combustion chamber opening. Failure to comply
with this warning can cause extensive property damage or a dangerous condition.
15.
Using only water, wash the inside of the combustion chamber. The water will drain into the
condensate drain.
16.
Reassemble the components by performing the disassembly steps in reverse order, taking
care to reinstall the gasket at nut
“H” of Figure 10-4 and the O-ring “L” as per Figure 10-5.
These must be replaced with a new gasket and/or O-ring if not in good condition.
17.
Open the manual gas shutoff valve.
18.
Check that there are no gas leaks.
19.
Restore electrical power to the unit.
