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    nizamhafiz's Avatar
    nizamhafiz Posts: 2, Reputation: 1
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    #1

    Oct 17, 2010, 07:14 AM
    Water stain at central aircondition control unit when heating is turned ON
    A very slow water drip at central aircondition control unit below the contactors and fan when heating is turned ON
    nizamhafiz's Avatar
    nizamhafiz Posts: 2, Reputation: 1
    New Member
    		  
    #2

    Oct 17, 2010, 07:14 AM

    Water stain at central aircondition control unit below contactors and fan when heating is turned ON
    elephantears's Avatar
    elephantears Posts: 30, Reputation: 3
    Junior Member
    		  
    #3

    Oct 19, 2010, 06:26 AM
    Furnace? It sounds like you may have a condensing furnace. They only make these on inside (split) units because they can't figure out what to do with the condensate water on outside applications.
    On a condensing furnace, the extra heat is extracted from the exhaust by condensing the water vapor out of the exhaust gas. The exhaust gas then is cool enough to exit through pvc pipe instead of metal. This is the best way to know if it is a condensing furnace. (pvc exhaust piping)

    Seal the leak with silicone caulk designed for high temp or tighten plumbing connections if water is seeping out. If it is condensing from outside air, insulate or isolate from outside moist air.
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