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Thread: furnace problem
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23-11-2013, 12:49 AM #1
furnace problem
i have two furnaces sharing the same return plenum, problem is when one unit is on it spins squirrel cage on second unit in the opposite direction, which gives it enough inertia that when second unit calls for heat the fan continues to rotate in the opposite direction. It happens with either unit. plez only pros reply
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23-11-2013, 02:36 AM #2
Re: furnace problem
weighted back draught dampers
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23-11-2013, 11:10 AM #3
Re: furnace problem
Last edited by Josip; 23-11-2013 at 03:55 PM. Reason: remove link
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23-11-2013, 08:39 PM #4
Re: furnace problem
thanks for your replies and also thought of these options but are there any motors out there with some type of braking system
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23-11-2013, 09:22 PM #5
Re: furnace problem
Install air check valves or one way clutches.