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Old 01-25-2012, 12:08 AM   #1
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Excessive gas in furnace burner trays.


I'm getting excessive amounts of gas in the burner trays. Do I need to replace the gas valve?

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Old 01-25-2012, 12:18 AM   #2
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Excessive gas in furnace burner trays.


Dr Hugo!
What makes you think that you are getting excessive gas in the burner trays?

A manometer test looking for 3.5" WC from the gas valve outlet (if we are talking about natural gas) is the usual test.

A heat exchanger blockage or a cracked exchanger or anything limiting the vent inlet/ outlet flow can make it look like the burner tray is getting excessive pressure.

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