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GE UNIT - AC/HEAT PUMP

DOES IT HAVE AN OVERFLOW VALVE FOR CONDENSATION? IF SO, DOES THAT MEAN THE PC PIPE IN THE FRONT OF THE UNIT IS CLOGGED AND NEED TO BE REPLACED OR CLEANED... WATER IS COMING OUT A SMALL TUBE ON THE UNIT - NOT SURE IF CAUSING UNIT TO WORK HARDER

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  • cheryleaton1 Jul 26, 2008

    how do you clean a unit that is in a closet? It's the central air and heating unit in the home. It does have the PC pipe attached from unit to drain, my question is do they have an overflow valve in which excess water drains? If so, then that will tell me that the original drain process is not working properly.

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Hello Cheryl, what they are talking about is a drain. As air conditioners run they collect moisture from the air on the evap(in cooling mode) or condenser ( in heat mode). This moisture will run off the part and flow into the tray. In the cooling mode, the moisture is slung onto the condenser to help cool it down, thus be more effective. I always recommend once a year remove the unit and clean all the coils and oil the fan motor. Household oil will work for this. During this cleaning find and clean out the drain. If it gets clogged that water can run back into the home. The PC pipe is sometimes attached to the unit to direct the water to a designated place. These units are common in hotels and they use the pipe to keep the water from dripping on the guest as they walk under the windows. Hope this helps.

Posted on Jul 26, 2008

  • Jeff York
    Jeff York Jul 26, 2008

    Hello Cheryl, Sorry about that, since you didn't state it was an HVAC system I assumed the window style. On your unit all the water does is drain out. There isn't any overflow as the water isn't used for anything. The plastic pipe is your drain system. They become clogged over time. I use 50 psi of compressed air to blow out the drain, then slowly flush it out with hot water from the tap. Depending on how clogged the drain is, you may have to do this several times. There should be a outlet on the outside of your home where the water goes. I have seen this get clogged at the outlet to sometimes with plant material. Hope this helps.

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