We recently replaced our A/C compressor and after a few weeks have
noticed the exterior PVC overflow pipes are dripping more frequently
and discoloring the wall around the pipes. Does anyone know what is
The additional condensation is probably from a coil that is cooling more and
removing more humidity fromt he air.
The stains are caused by gunk that the water is picking up in the drain pan
and the coils. Have you ever cleaned them?
Correct, it is where the moisture from the coils drip into. . Flush it with
water and some sort of non-sudsing cleaner. Some bleach won't hurt. You
may want to try putting something down the tubing, like a thin brush on a
long wire to ream it out.
Condensate pans are not often seen and thus not thought about until there is
a problem. Give it a flush every spring and again after the AC season.
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