RE: Causes of Gas Furnace Burners to Sputter

What would cause the burners to sputter? It’s a 90% furnace and the burners only sputter with the door on. When the door is off, the furnace runs like normal. 

csp02 Rookie Asked on October 22, 2018 in Residential HVAC.
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2 Answers

Is the burner area a sealed compartment or open-concept? Direct vent or single-pipe?

Rookie Answered on January 11, 2019.
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