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  1. #1
    Join Date
    Nov 2007
    Posts
    388

    Pipe Freeze Kits

    I have a customer that has some water leaks on a 2" copper hot water line. Draining the system will be a long time consuming task. I'd like to use a pipe freeze kit, but have no experience with them.

    I've done a little bit of research, and there are a couple of systems out there. One in particular is made by General Wire that uses CO2 and does 1/2" - 2" for about $500. I also see that Ridgid makes one that uses some kind of refrigeration system for $2500.

    Anyone have experiences with these or any pipe freeze kits?

  2. #2
    Join Date
    Jun 2005
    Location
    South Jersey
    Posts
    1,476
    I rent the Rigid kit from Sunbelt for $48.00/day when I need to use one........I think it goes to 2 1/2" on copper lines. I have heard there are systems available to do up to 4", but have never seen them.

    I've used it on 2" water lines with 70lbs of pressure on them.......works like a charm. Strap the heads on with velcro, fire it up and wait about 10 minutes............showtime!

    Awesome tool!

  3. #3
    Join Date
    Dec 2006
    Location
    McMinnville, Tennessee
    Posts
    216

    A must

    Get the big bottle of co2 and get a spare just in case,Experence talking,1 may not be enough if theres a problem that takes longer.s**T does happen.
    If you build it they will come,,,they built it and they went.

  4. #4
    Join Date
    Dec 2005
    Location
    South Bend, In.
    Posts
    529
    Quote Originally Posted by fgp6889 View Post
    Get the big bottle of co2 and get a spare just in case,Experence talking,1 may not be enough if theres a problem that takes longer.s**T does happen.


    Dam good advice here take it. Used to do hotel work (25 story bldg) many moons ago. We used the co2 system one guy into the crawl space with the wrap, one guy in the hallway manning the tanks, one guy inside the hotel room doing the actual plumbing work. LOL. loved that job, pay sucked but, the benefits were out of this world. The plumbing contractor didn't install any shutoffs in the supply lines. Had to freeze lines very time a closet shutoff broke or any work needed done in the bathrooms what a huge waste of money over the years in maintain the building. Oh, but those desk babes were something else.
    So you didn't ask, what you though was a stupid question. Now how, are you going to tell the boss about your stupid screw up?

  5. #5
    Join Date
    Feb 2006
    Posts
    203
    We have a pipe kit that does up to 2" and yes always have extra co2 on hand. For really big jobs, or for example the basement of a high rise we have a company we bring in and they build a little tin foil dam around the pipe and fill it with liquid nitrogen a few minutes later your good to go. When I do it with CO2 I always give it an extra few minutes more than the book says. We even did some Glycol lines.
    These kit's are worth their weight in gold.
    refrigeration workers of Ontario

  6. #6
    Join Date
    Nov 2007
    Posts
    388
    Thanks for the feedback gents!

    I am gonna go for the Ridgid self contained unit at a local rental place ($80 bucks a day).

    The CO2 kit may be an investment in the future.

    Thanks again for your reccomendations!

  7. #7
    Join Date
    Mar 2007
    Location
    wedged in freezer shelf
    Posts
    7,215
    Be careful with CO² in confined spaces
    “If You Can Dodge A Wrench You Can Dodge A Ball”

  8. #8
    Join Date
    Nov 2007
    Posts
    388

    Update

    Just an update for everyone....

    We used the Ridgid 2500 pipe freeze machine. It was a no go! The machine was brand spanking new. After 2 hours of the machine runnning we tested to see if the ice plugs were developed. The instructions said it would take approx 30 minutes...maybe because the line temp was 120*F, it needed to be on longer....but 2 hours...sheesh. Not sure what happened.

    I got a qoute to have a pipe freeze company come in and they want $3400 to come in to do 2 freeze plugs at 2 locations on 2" copper pipe....very pricey in my opinion. We'll either drain the system or buy a CO2 system.

  9. #9
    Join Date
    Nov 2003
    Location
    Rochester, New York
    Posts
    392
    umm, it may take longer than 2hrs for a 2" line. Give it a chance, I have used the ridged on 1" condensate pumped drain lines on liebert units and it worked perfectly. Now this was standing water at around 60* and it took about 3hrs.

  10. #10
    Join Date
    Mar 2005
    Location
    burlington county n.j.
    Posts
    9,765
    120 deg water on each side of a plug your trying to freeze...........



    thats gonna take a while.........

  11. #11
    Join Date
    Nov 2007
    Posts
    388

    Red face

    Quote Originally Posted by t527ed View Post
    120 deg water on each side of a plug your trying to freeze...........
    I called Ridgid today, they said that the 2500 should do the freeze in about an hour. They said that the machine I used may be low on refrigerant (R-507).
    I told this to the rental place & their going to have it serviced...I may give it another go

  12. #12
    Join Date
    Jan 2007
    Location
    Milwaukee Wisconsin
    Posts
    995
    I used the Ridgid many times without probems. Spray the clamps with water for better transfer. Also there cannot be any flow or the plugs will not form. Good Luck!

  13. #13
    Join Date
    Mar 2005
    Location
    burlington county n.j.
    Posts
    9,765
    Quote Originally Posted by flyrfan View Post
    I called Ridgid today, they said that the 2500 should do the freeze in about an hour.

    thats impressive.

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