Which putty to use in an air conditioner?
I am overhauling one of my air conditioners. The manufacturer used a blue putty or clay-type substance to seal some of the passages in the sheet metal. I am hoping that somebody can tell me what this...
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Ditto to Cloud Dancer. Comes in thick or thin. Thick for corrugated aluminum or thin for flat (Filon or siding) any good RV Parts department will have it.
