Question about Goodman GMS90703BXA Heater

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Condensation in heater box area

Heater not working. Per repairman circuit (pc) board needs replacement. He noticed a puddle of water accumulating underneath the circuit board which may be the cause of this problem. What could cause the condensation in the heater box area? The unit is stationed in the attic area of the garage in a single-story house. The model is Goodman GMP050-3 Serial number 9408120443.

Thank you.

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  • rver2go Dec 21, 2008

    Not really, but I'll try it out.

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Condensation from the outside air is getting into unit! Either the condensation pump is broken or the air intake has a leak and water is getting in through there!

Posted on Dec 19, 2008

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Condensation is being formed somewhere else and probably leaking into the heater box, apply some foam to the box to stop condensation.

Posted on Dec 19, 2008

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How to repair an Electric Water Heater that Fails to Heat Water


If your home has an electric water heater that is not working properly, start your troubleshooting here When an electric water heater fails to heat water, either the power to the water heater has been interrupted or there is a problem with the controls or heating elements. Perform these diagnostics:

1) Be sure electricity is being delivered to the appliance. Check the main switch on the water heater and the circuit breaker (or fuse) that serves the water heater. If the circuit breaker has tripped, reset it by flipping it all the way to OFF and then back to ON.
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3) If there is any water inside the compartment, this could cause the thermostat to malfunction. Leaking water means that your water heater may need to be replaced. If this is the case, be sure to read the “Storage Water Heater Buying Guide” and related buying guide articles before making your purchase.
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on Sep 03, 2010 | Heaters

Tip

Wick won't light


I didn't realize how quickly condensation can enter the tank. Condensation will ruin the wick permanently, even a brand new wick.
To avoid condensation, do NOT empty the tank unless you are replacing the wick, or some other repair requires it. Likewise, do NOT burn the kerosene out, for the same reason: condensation.
When the tank is filled enough, condensation can still enter but the wick will be able to burn and you won't know the difference. But as soon as the kerosene is gone, all the wick has is water. 
STORAGE:  When you burn out the kerosene to store it, condensation can enter and you will not be able to use the wick again. So unless it's necessary, don't burn out the kerosene.
If you have to store the heater in a place that requires the tank to be empty, dissassemble the heater before you use it again and make sure the tank is completely dry and contains no water BEFORE you use it again.
I think but I'm not sure, that the tank must have been designed to let some condensation fall to the sides, or somehow get out of the way. But I'm certain this doesn't last because condensatiion is inevitable and it will accumulate. 

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