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Andybutts31 · 11-12-2020, 08:33 AM

I was always told those vents were for heating the under neath in cold weather, it let the furnace heat circulate and help prevent water freezing up in cold temperatures.

I have a 2015 412TS

11-12-2020, 08:33 AM	#6
Andybutts31 Junior Member Join Date: Aug 2019 Location: Sparks Posts: 1	I was always told those vents were for heating the under neath in cold weather, it let the furnace heat circulate and help prevent water freezing up in cold temperatures. I have a 2015 412TS