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Thread: Power venter...

  1. #1
    Join Date
    Jan 2005
    Posts
    109
    I am replacing Plexvent pipe. It is a HTPV that was recalled due to cracking problems. It is on a Goodman mid-efficient unit. My question is do I have to use b-vent from furnace to power venter or can I use metal vent? Furnace is in the cellar. Does it depend on local code?

  2. #2
    Join Date
    Jul 2000
    Location
    NW IL.
    Posts
    3,935
    Did you call the recall number for the free kit and paperwork to do the change out?

    http://www.cpsc.gov/cpscpub/prerel/prhtml98/98072.html
    Aircraft Mechanical Accessories Technician. The Air Force changed the job title to Air Craft Environmental Systems Technician. But I've decided I'll always be a Mech Acc.

  3. #3
    Join Date
    May 2000
    Location
    Indianapolis, IN, USA
    Posts
    34,189
    B-vent all the way

  4. #4
    Join Date
    Jun 2003
    Location
    New Hampshire
    Posts
    2,666
    Some power venters (crappy ones),are in line, (not draft inducers) and there is 2 or so feet of pipe on the discharge side of the power venter, before the vent terminal. In this case use single wall on the discharge side of the power venter and seal it with high temp silicone. The pipe on the suction side of the power venter should always be B vent to prevent excess condensation.
    Buy a "Fields" brand with the motor mounted in the terminal, outside. And you can stay all B vent inside without having to worry about fumes getting in the furnace room.

  5. #5
    Join Date
    Dec 2002
    Location
    Toledo, Ohio, United States
    Posts
    12,911
    what year furnace
    No Heat No Cool You need Action Fast

  6. #6
    Join Date
    Jan 2005
    Posts
    109
    You guys are right. Everyone has said B-vent all the way. Thanks. MechAcc I did get the powerventer for cost. Went thru the program. It was long and painful process but it worked out in the end.

  7. #7
    Join Date
    Mar 2004
    Location
    Grottoes VA
    Posts
    5,856
    You shouldn't have paid anything for the venter, you also get $70 for pipe and $140 for labor.


    I lose money on all of the ones we replace. I now really look for problems with unit or the install.

    If you cannot vent with the kit, HO gets $400 toward a new furnace.
    Karst means cave. So, I search for caves.

  8. #8
    Join Date
    Mar 2002
    Location
    Richmond, Virginia
    Posts
    4,264
    Gave up on that program after about the second one. Thought I was doing the HO's a favor (and was.) It's a losing proposition in most cases profit wise. But to answer your question, 'B' vent. No single wall pipe.
    There is nothing more frightful than ignorance in action....Mark Twain

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