Backdraft damper install.

Big Cat Posted By Big Cat, Nov 14, 2018 at 7:38 AM

  1. Big Cat

    Big Cat
    New Member 2.
    NULL
    

    Oct 10, 2017
    24
    3
    Loc:
    Wisconsin
    I have a wood furnace next to my propane furnace. I bought all the duct pipe and 2 backdraft dampers needed to connect to my homes duct system.
    My question is how far above my propane furnace, inside the plenum, do I install the 20x20 backdraft damper?
     
  2. fbelec

    fbelec
    Minister of Fire 2.
    NULL
    

    Nov 23, 2005
    2,523
    163
    Loc:
    Massachusetts
    you are best to call tech support for both furnaces. it would stick to do something wrong and have to pay for it
     
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  3. Big Cat

    Big Cat
    New Member 2.
    NULL
    

    Oct 10, 2017
    24
    3
    Loc:
    Wisconsin
    I talked to a HVAC tech at Granger, where I bought the 20x20 backdraft damper. The tech guy said call the manufacturer of the furnace. I called Rheem and they said talk to a HVAC tech..
     
  4. fbelec

    fbelec
    Minister of Fire 2.
    NULL
    

    Nov 23, 2005
    2,523
    163
    Loc:
    Massachusetts
    nothing like a good circle. i guess that tells me that they don't have a issue with it put it where you wish
     
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  5. Big Cat

    Big Cat
    New Member 2.
    NULL
    

    Oct 10, 2017
    24
    3
    Loc:
    Wisconsin
    About a week ago I bumped into a HVAC Tech at the gas station. I told him my situation and the way he made it sound to me was I could put it where ever I wanted. "It's just a backdraft damper" and "No more then 12" above the propane furnace". He offered to come over and look at it, but I wasn't sure if he was being nice or wanted make a house call..
     
  6. CaptSpiff

    CaptSpiff
    Feeling the Heat 2.
    NULL
    

    Jan 13, 2014
    335
    73
    Loc:
    Long Island, NY
    Most "professionals" I bump into for free advise seldom follow that up with free visits to my house. :p

    Although that may not apply to the police. :oops:
     
  7. Big Cat

    Big Cat
    New Member 2.
    NULL
    

    Oct 10, 2017
    24
    3
    Loc:
    Wisconsin
    I installed the backdraft damper last nite. Pretty easy project. I put it rite on top of the furnace.
    The furnace puts out less heat then I thought it would. This is why I asked where I should put a backdraft damper. I thought it would get really hot being on top of the furnace.
     

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