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Old 06-29-2019, 12:35 PM
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Diseasel300 Diseasel300 is offline
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Join Date: May 2016
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If you can easily access the evap core, use some of the foaming cleaner from Lowe's or Home Depot, then rinse with water from a pump-up sprayer. It'll help the overall capacity of the system, but won't affect vent temps much. If it's a serious PITA to get to, it sounds like it's working well enough to leave it alone until you get in there to do more serious cleaning.
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