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Condensate drain sweating - urgent

Condensate drain sweating - urgent

Condensate drain sweating - urgent

(OP)
What would be acceptable "industry standards" for insulating condensate drains in unconditioned spaces (like in ceilings of houses in warm places like Sydney Aust) for air cooled split conditioners.

I'm guessing first 2 meters for PVC and first 5 meters for copper.

Clarification greatly appreciated.

RE: Condensate drain sweating - urgent

Recommend you install insulation around the the condensate drain for the total length in the ceiling. If the drain is insulated, the condensate won't warm up much, therefore the drain will just condensate where the insulation ends.

RE: Condensate drain sweating - urgent

Pan and drain should all be insulated in interior spaces.

RE: Condensate drain sweating - urgent

Yep, I have never observed any uninsulated condensate pans or piping indoors.

Good on ya,

Goober Dave

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RE: Condensate drain sweating - urgent

DRWeig - I have seen uninsulated condensate & chilled water piping indoors, but the people with offices below said piping were not so thrilled with that value engineering decision.

RE: Condensate drain sweating - urgent

Good one, flukeynub. flip

Almost all of my work these days is in older buildings. I guess the value engineering has been rectified by the time I get there...

Good on ya,

Goober Dave

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