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Pex Expander

Post in 'DIY and General non-hearth advice' started by SIERRADMAX, Jul 3, 2013.

  1. SIERRADMAX

    SIERRADMAX Feeling the Heat

    Joined:
    Jan 13, 2011
    Messages:
    285
    Loc:
    RI
    I have two wirsbo 1/2" pex lines I need to have expanded to fit a 3/4" copper adapter. Local plumber wants $150 and I hate to buy a $200 tool for two fittings. Any other options?

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  2. ironpony

    ironpony Minister of Fire

    Joined:
    Jan 22, 2010
    Messages:
    1,777
    Loc:
    mid-ohio
    could you use a pex to 1/2 inch MIP and then a 3/4 copper to 1/2 inch FIP and thread them together.
  3. blujacket

    blujacket Minister of Fire

    Joined:
    Oct 2, 2008
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    616
    Loc:
    West Carrollton,Ohio
    Have you checked to see if you could rent the tool?
  4. Jack Straw

    Jack Straw Minister of Fire

    Joined:
    Dec 22, 2008
    Messages:
    2,161
    Loc:
    Schoharie County, N Y
    Is there a Shark Bite fitting(s) that you could use?
    USMC80 likes this.
  5. USMC80

    USMC80 Minister of Fire

    Joined:
    Mar 27, 2013
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    842
    Loc:
    New Jersey

    Think there is a 1/2" x 3/4" sharkbite he could use
    PapaDave likes this.
  6. SIERRADMAX

    SIERRADMAX Feeling the Heat

    Joined:
    Jan 13, 2011
    Messages:
    285
    Loc:
    RI
    I like the tool rental idea. I forgot to mention it's for hydronic heating application using HePex (oxygen barrier). Not sure if sharkbite fittings would be suitable for this application.
  7. PapaDave

    PapaDave Minister of Fire

    Joined:
    Feb 23, 2008
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    5,740
    Loc:
    Northern MI - in the mitten
    Not sure I'd expand 1/2" to fit 3/4.
    There are plenty of 1/2 to 3/4 adapters out there.
  8. Ehouse

    Ehouse Minister of Fire

    Joined:
    Jul 22, 2011
    Messages:
    934
    Loc:
    Upstate NY
    One local HW store will let you use the tool free if you buy the fittings from them. Check around. I've heated a tapered drift pin in a pinch, slid the pex on the fitting, and applied a small hose clamp. Against all the rules I know but hasn't failed in 3 years.
  9. Seasoned Oak

    Seasoned Oak Minister of Fire

    Joined:
    Oct 17, 2008
    Messages:
    3,625
    Loc:
    Eastern Central PA
    Theres a sharkbite for every job ,dont see any reason not to use for heating pipe.
  10. Dune

    Dune Minister of Fire

    Joined:
    Jan 14, 2008
    Messages:
    2,765
    Loc:
    Commonwealth Of Massachussetts
    ask a different plumber offer $50 cash. It is a 5 minute job tops.
  11. Seasoned Oak

    Seasoned Oak Minister of Fire

    Joined:
    Oct 17, 2008
    Messages:
    3,625
    Loc:
    Eastern Central PA
    You can buy a pex tool that crimps all 3 sizes 3/8-1/2-3/4 and uses a vise grip pliers at Home depot for about $35 if your interested.
  12. tekguy

    tekguy Feeling the Heat

    Joined:
    Nov 12, 2009
    Messages:
    332
    Loc:
    west mass
    i am big fan of buying tool in that scenario.. the second time you use it, its free

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