Question about Goodman GDS80904BNA Open Flame Heater

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Heater can i change the air flow on my heater and if so how

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  • Anonymous Dec 15, 2007

    I have everything as I was told to connect to my new blue flame heater,and I have check and I know my heater is clean but I still have yellow tipping going on with no fumes sut or foul oders.some give me some advice please.

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On the blower, look for a Blue wire, Red wire and maybe an Orange wire. The Red wire is low spped, Orange is Med-Low and Blue is Medium. Look on the circuit board and see what colors are on "Park" and what color is on "Load" or "Line". Swap that wire to what ever speed you want. Remember that increased speed will make the air from the registers a little cooler.

Posted on Nov 06, 2007

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Posted on Jan 02, 2017

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1 Answer

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The heater in your car depends upon a flow of hot coolant going through the heater core in order to get hot air into the car. If the heater core is partially plugged, it will restrict the flow. If you have a head gasket that is putting exhaust into the cooling system, it will eventually get into the heater core. When this happens there is no coolant in the heater core to make the air warm. If the water pump vanes have corroded away the result will be very poor coolant circulation causing the heater to not blow hot air. If your car is equipped with a heater control valve that is not functioning properly, the coolant flow will be restricted. One or a combination of these factors is likely the culprit in your case.

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1 Answer

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