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Condensate pan neutralizer needed

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zepfan
zepfan Member Posts: 398
Does anyone have a recommendation on a condensate neutralizer? We have a small Whisperkool wine cellar unit (less then one ton) that has the humidifier option which basically sprays water on the evaporator coil, through a nozzle. The slag that the humidifier produces  then drips off the coil and eventually plugs the 1/2” opening of the drain pan. This occurs about once every two months in the winter, we have tried different pan tablets with no success. Any recommendations would be much appreciated. The existing pan is metal and only about 3/4” deep, so enlarging the pan opening is not an option. 

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  • Jamie Hall
    Jamie Hall Member Posts: 23,640
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    That "slag" as you call it is an unfortunate mix of precipitated chemicals in the water -- particularly if the water is hard or ion-exchange softened -- the small amount of solids inherently in the water, and dust from the air flow. While it can be softened with acid and rinsed away, a much better solution is to simply manually clean and rinse the pan regularly.
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
    zepfan
  • pecmsg
    pecmsg Member Posts: 4,956
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    Allowing the humidifier to blow directly on the evaporator is your problem. Find another area to blow the moisture in and let it mix more with the air.

    What RH are you trying to maintain? What temperature?
    Unless this wine room is for storing rare wines, 20-year-old or older RH is no longer an issue. All newer wines use Synthetic Cork.
    zepfan