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Phil1902
Nov 25, 2006, 06:31 AM
Burner will not stay light. Fan comes on, ign. Box activates, ign. Comes on, gas sol. Opens,
Flame for 2-3 sec. ign. Box de-activates and drops gas sol.
Ignitor after hot reads 40 ohms, cooling off as high as 170 ohm.

Replaced:
Ignitor box
Gas sol.
Blower PC

Furnace was flooded with water, Cleaned and dried parts

NorthernHeat
Nov 25, 2006, 06:52 AM
Sounds like a dirty flame sensor