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Fuzz · 02-25-2023, 09:21 AM

Ya, that brings fresh air into the furnace(not for combustion), mine has a damper that closes it so it only opens when the furnace is running. I've never had a condensation issue, I assume it would only happen when really cold.

02-25-2023, 09:21 AM	#5266
Fuzz Franchise Player Join Date: Mar 2015 Location: Pickle Jar Lake Exp:	Ya, that brings fresh air into the furnace(not for combustion), mine has a damper that closes it so it only opens when the furnace is running. I've never had a condensation issue, I assume it would only happen when really cold.