Question about Goodman GMS90703BXA Heater

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Heater can ichange the air flow on the heater

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  • Anonymous Mar 09, 2008

    I have a reedy heater pro 115. It turns on and runs for abuot 30 sec. and shuts down. I see a puff of smoke and i don't know what to do.

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Yes, look at the control board and follow a larger diameter red wire and see if it goes to the blower. Now follow the orange wire from the blower to the circuit board and swap wire locations with the red one. This will change the blower speed from Low to Medium Low. The Blue wire will give you Medium and may be too fast. The faster the blower goes, the cooler the air feels coming out of the registers. If your ductwork is undersized or your air filter is too restrictive, this will interfere with air flow and not deliver the necessary heat when you need it. Changing the blower speed is only a band-aid to bigger issues.

I hope this helps!

Posted on Nov 05, 2007

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Posted on Jan 02, 2017

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It is suppose to regulate the water flow so it has time to heat but not boil. Yours is probally missing the control disc and letting all the water flow past the heater so the water in the heater is boiling and that is the banging you hear. Good luck.

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