Furnance runs for a short time and then shuts off. After a few days of this,, it runs for 40 minutes at a time. It has a yellow flashing light. Could it be a flame sensor? Previously, it had flashing red lights and the gas valve was replace. Thank you. Jeff

Asked by Jeff on 11/30/2008 0  Answer

ManualsOnline posted an answer 16 years, 1 month ago

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