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Thread: 2021 3540 GK-R Heat duct
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02-23-2021, 01:14 PM #1
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2021 3540 GK-R Heat duct
Does anyone know that the 2" round duct supply's heat to? I am adding insulation to the basement and ran across this.. Lots of direct paths to the outside in the bottom of it.. Adding 2 filters to the heat return as well.
Last edited by FreddieD; 02-23-2021 at 01:20 PM.
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