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2017 Raptor 412TS - furnace return question
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11-12-2020, 08:33 AM
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Andybutts31
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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
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