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Condensate leak at furnace exhaust
I had a new construction today. 92% condensating furnace in crawl space. My question is right at the furnace exhaust there was a water leak, and about 5 feet away where the PVC pipe turns verticle to go up towards roof another leak. I also checked attic where pipe penetrates roof and it was dry. I could not tell for sure but it looked as if the water was on the outside of pipe not coming from inside of pipe. Any ideas why there could be water in the exhaust pipe. The condensate drain was on other side of furnace going to a pump.
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