Empire Comfort Systems DV-210-7SG User Manual
Page 12
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Page 12
12433-5-0606
On the main burner, the burning gas forms a primary flame and a
secondary flame. The primary flame is blue and about 3/16" (5mm)
high. The secondary flame is very pale blue, 3 inches (76mm) to 5
inches (127mm) high. Dust in the combustion air will produce an
orange flame. Do not mistake it for an improper yellow flame.
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