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Old 09-19-2018, 01:00 PM   #10
jsmitfl
Montana Master
 
Join Date: Jun 2004
Location: Victor
Posts: 940
M.O.C. #1709
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Kevin, what if you take a old canister vac or shop vac and put hose on so it blows air. Take each hose off and see if it is open to the duct. Also blow from one end of duct to the other. If you have five hoses on there you maybe trying to move more air than that little furnace can move.
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