New Buck Corporation MODEL FP-327-ZC - Manual (Page 31)

FLAME CHECK
A periodic check of the flames should be made. The pilot flame should always be present when the
unit is in operation.
FLAME:
Propane (LP) should produce a flame that is 3" to 4" above rear log. This flame
should be yellow.
Natural gas should produce a flame that is 3" to 4" above rear log. This flame
should be mostly blue except for the top 1/2" which should be yellow.
Figure 14
BURNER
NATURAL PILOT
PROPANE PILOT
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