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  1. #1
    Join Date
    Jun 2011
    Location
    Seattle WA
    Posts
    1,238

    Crawl Space Return Plenum

    Here we have a case of the infamous "California plenum". This genius design uses the entire crawlspace as a plenum and you just simply cut a bunch of holes in the floor and voilà! No need to deal with all that pesky piping. The picture you see is the furnace sitting on a ponywall in the crawlspace, the sheet metal is just panning to block off the california plenum. Also, the supply ducting starts out with 5' of 7x25 that feeds one heat run, then reduces down to 7x8 (yes, 7x8) and feeds 7 8" heat runs (yes, 7 of them off of 7x8). Sorry ma'am but you're going to need new everything...

    America; first we fight for our freedom,
    then we make laws to take it away.

    -Alfred E Newman

  2. #2
    Join Date
    Dec 2009
    Location
    Kansas City, MO
    Posts
    66
    I must be missing something here, so please forgive me...but where's the flue pipe?

  3. #3
    Join Date
    Aug 2003
    Location
    S.W. Ontario,Canada
    Posts
    622
    At least there's a light with a pull cord....lol

  4. #4
    Join Date
    Jun 2011
    Location
    Seattle WA
    Posts
    1,238
    Quote Originally Posted by kchest4063 View Post
    I must be missing something here, so please forgive me...but where's the flue pipe?
    Its behind that sheet metal flashing and it looks like this!
    America; first we fight for our freedom,
    then we make laws to take it away.

    -Alfred E Newman

  5. #5
    Join Date
    Jun 2011
    Location
    Seattle WA
    Posts
    1,238
    Also notice the artsy way in which the gas pipe is chopped right into the furnace door
    America; first we fight for our freedom,
    then we make laws to take it away.

    -Alfred E Newman

  6. #6
    Join Date
    Feb 2012
    Location
    South Georgia
    Posts
    105

    Angry

    Installers that do this should be brought upon charges!!!

  7. #7
    Join Date
    Jan 2005
    Location
    Berea. Ky
    Posts
    48
    So there a problem?

  8. #8
    Join Date
    Jun 2006
    Location
    Texas
    Posts
    501
    Quote Originally Posted by LibertyTree View Post
    Its behind that sheet metal flashing and it looks like this!
    omg!!!

  9. #9
    Join Date
    Jan 2006
    Location
    Seattle, Wa
    Posts
    116
    So is the crawl space air tight, are there vents i the foundation with a concrete floor?

  10. #10
    Join Date
    Jun 2011
    Location
    Seattle WA
    Posts
    1,238
    Quote Originally Posted by kneehigh View Post
    So is the crawl space air tight, are there vents i the foundation with a concrete floor?
    There are crawlspace vents, they were blocked off by these genius's. I'm surprised no one is flabbergasted by the fact that the supply duct is 7X8 with a bunch of 8" runs coming off of it... I guess a picture is worth a thousand words
    America; first we fight for our freedom,
    then we make laws to take it away.

    -Alfred E Newman

  11. #11
    Join Date
    Dec 2007
    Location
    Afton, VA / Khorat, Thailand
    Posts
    2,468
    Gotta love Cali. Now you know how we get Nancy Pelosi....................
    Tough times don't last...Tough people do.

    Midnight Sun Astrophotography

  12. #12
    Join Date
    Jul 2009
    Location
    Northeast, Md.
    Posts
    126
    WTF?

  13. #13
    Join Date
    Jun 2011
    Location
    Seattle WA
    Posts
    1,238
    She just called today asking if we really need to replace the ductwork, someone told her she didn't have to...
    America; first we fight for our freedom,
    then we make laws to take it away.

    -Alfred E Newman

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