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W415-0812 / D / 08.16.12
12.3 FLAME CHARACTERISTICS
It’s important to periodically perform a visual check of the pilot and burner
fl
ames. Compare them to the
illustration provided. If any
fl
ames appear abnormal call a service person.
FLAME MUST ENVELOP
UPPER 3/8” TO 1/2” OF
FLAME SENSOR
PILOT
BURNER
ELECTRODE
FLAME
SENSOR
54.1A
12.4 RESTRICTING VERTICAL VENTS
77.3
Vertical installations may display a very active
fl
ame. If this appearance is not desirable, the vent exit must
be restricted using a restrictor vent kit. Refer to “ACCESORIES” in the “REPLACEMENTS” section for the
appropriate kit. This will reduce the velocity of the exhaust gases, slowing down the
fl
ame pattern and creating
a more traditional gentle
fl
ame appearance. Speci
fi
c instructions are included with the kit.