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  1. #14
    Join Date
    Feb 2010
    Location
    michigan
    Posts
    114
    Quote Originally Posted by FrostyBeer View Post
    How'd you find the cracks?
    i took the back of the unit off, it was an old luxaire
    Attached Images Attached Images  

  2. #15
    Join Date
    Jan 2011
    Location
    Boston, MA
    Posts
    459
    Quote Originally Posted by ductman82 View Post
    i took the back of the unit off, it was an old luxaire
    Oh wow thats cool. Didn't know there were any furnaces that you could do that with.

  3. #16
    Join Date
    Jul 2009
    Location
    st louis mo
    Posts
    334
    why do they make furnace cement if it is not to be used?

  4. #17
    Join Date
    Dec 2005
    Location
    Cincinnati, Oh
    Posts
    4,910
    Quote Originally Posted by mike dixon View Post
    why do they make furnace cement if it is not to be used?
    lol. I've actually used "furnace cement". It's technically called refractory (sp?) cement.

    Last time I used it was on a semi-knockdown steam boiler install, attaching the flue collector box to the sections.

    The time before that was 3 years prior to that, replacing massive sections in a steam boiler. Everything has to be cemented together.


    Funny thing about it is, anyone who mentions it either:
    A. has a boiler.
    B. Had/has a gravity furnace, where you cemented your bricks together. So a "hole" in a HX, was literally covered with cement.

    Funny thing, I used to work with a guy who installed gravity furnaces, and used to joke about plugging holes in gravity furnaces with the crap.
    "Better tell the sandman to stay away, because we're gonna be workin on this one all night."

    "Dude, you need more than 2 wires to a condenser to run a 2 stage heatpump."

    "Just get it done son."

    Dad adjusted

  5. #18
    Join Date
    Jun 2011
    Location
    Houston area
    Posts
    1,493
    You guys are waaay off base. JB Weld is the only way to fly.
    The picture in my avatar is of the Houston Ship Channel and was taken from my backyard. I like to sit outside and slap mosquitos while watching countless supertankers, barges and cargo ships of every shape and size carry all sorts of deadly toxins to and fro. It's really beautiful at times.....just don't eat the three eyed fish....

    `. .` .>(((>

    `... `. .` .>(((>

    .` .>(((>

    LMAOSHMSFOAIDMT

  6. #19
    Join Date
    Mar 2001
    Posts
    1,482
    High temp silicone,,,actually found one of those.
    One way to outthink people is to make them think you think. They'll think you're not really thinking what you're trying to get them to think you think...........

  7. #20
    Join Date
    Jul 2006
    Location
    Virginia
    Posts
    4,608
    they used to make some stuff called muffler cement .was changing several old furnaces in a apartment complex found several that had been patched with it ,could not believe how strong it was

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