Results 1 to 10 of 10
  1. #1
    Join Date
    Jun 2002
    Location
    Lincoln DE
    Posts
    31
    I am starting a boiler system in a new house. I want to know has anyone install a hot water baseboard system in PEX tubing, or used those shark bite fittings on boiler systems.

  2. #2
    Join Date
    Jul 2006
    Location
    Northern Colorado
    Posts
    444
    I've only used them in plumbing applications. They work great. They are approved for hydronic applications. If you use them in this install, let us know how you liked them. Thanks
    Hvac Maniac

    "A negative attitude cancels out positive skills."

  3. #3
    Join Date
    Jan 2002
    Posts
    1,196
    Avoid PEX for high temp stuff like baseboard if you can,it will grow and droop enormously as it gets hot. Results? chafing hazards, noise, broken hangers...

    Use Pex-Al-Pex instead..it's aluminum sheath will keep the pipe in shape, and it has about the same expansion characteristics as copper.

    Near boiler piping should be in black or at least copper. Lots of stress around there between weight and future service etc.

    Sharkbite would be ok away from the boiler.

  4. #4
    Join Date
    Sep 2006
    Location
    chicago
    Posts
    19
    Have installed 3 radiant floor jobs with hepex Uponor's pex tubing. Works great, its been tested for years and years at high pressure and high temp with no problem. near boiler piping could be done in multicor tubing which has a metalic sheath around the tube.

  5. #5
    Join Date
    Jun 2002
    Location
    Lincoln DE
    Posts
    31
    Thanks guys for your replys. The piping near the boiler is black iron, copper and sweat fitting. The shark bite fitting and only used in the 2nd floor of the house. The boss said something about the price on the shark bite fitting.

  6. #6
    Join Date
    Sep 2005
    Posts
    1,887
    I'm thinking of replacing that valve, but would hate to heat-up a new valve, and that wall. Think a sharkbite will work here?

  7. #7
    Join Date
    Nov 2001
    Location
    Moose Jaw, Saskatchewan, Canada Occupation:Interprovincial Plumber, Commercial Gasfitter Interests:
    Posts
    2,414
    Quote Originally Posted by lk View Post
    I'm thinking of replacing that valve, but would hate to heat-up a new valve, and that wall. Think a sharkbite will work here?

    No, the sharkbite will spin. No problem soldering that valve.
    I love my job, but paydays Thursday

  8. #8
    Join Date
    Mar 2005
    Location
    burlington county n.j.
    Posts
    9,763
    Quote Originally Posted by lk View Post
    I'm thinking of replacing that valve, but would hate to heat-up a new valve, and that wall. Think a sharkbite will work here?

    "that valve" looks threaded on to me. if not, plenty of room to solder

  9. #9

    Smile Ginde Plastic Pipe Industry Group

    Please contact me! We supply PEX-AL-PEX pipe for radiant floor heating. My telephone number is 86 13889217255 My email is ly_ginde@yahoo.ca

  10. #10
    Join Date
    Mar 2005
    Location
    Suppy NC
    Posts
    4,516
    i used shark bites on one baseboard system. Was addind some baseboard and they work just fine and do save time on the install. Have to make sure they are all the way in

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