Radiator Removal - No Coupling

Discussion in 'Boiler Forum' started by Michael Parlapiano, Oct 9, 2019 at 3:14 PM.

  1. Michael Parlapiano

    Michael Parlapiano New Member

    Joined:
    Wednesday
    Location:
    New Jersey
    This hot water radiator looks to be piped directly into the system without the usual union or coupling and I have no idea how to remove it without cutting the pipe. Has anyone seen this before and know if there is a way to take it apart? Thanks. 20191009_162358.jpg
     
  2. WorthFlorida

    WorthFlorida Black Belly Whistling Ducks

    Joined:
    Oct 28, 2009
    Occupation:
    Retired
    Location:
    Orlando, Florida
    Anything on the other side of the wall or does the pipe come from the floor inside the wall? Remove the ring from the wall and with a mirror and a flashlight look inside the wall. If there is only an elbow, looks tile you’ll need to cut it. Just leave enough pipe so you can get a pipe wrench on it.
     
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  4. Michael Parlapiano

    Michael Parlapiano New Member

    Joined:
    Wednesday
    Location:
    New Jersey
    Just an elbow and then into the floor. I can't figure out how this could have been put together if there isn't a union somewhere. There must have been a trick to doing it this way.
     
  5. Dana

    Dana In the trades

    Joined:
    Jan 14, 2009
    Location:
    01609
    Are you keeping the radiator or scrapping it?
     
  6. Reach4

    Reach4 Well-Known Member

    Joined:
    Sep 25, 2013
    Location:
    IL
    It is possible that the end of the pipe in the wall has a left-hand thread. As they turn, both ends tighten.

    It takes a special procedure to make sure both ends tighten at the same time.
     
    Last edited: Oct 10, 2019 at 11:33 AM
  7. Michael Parlapiano

    Michael Parlapiano New Member

    Joined:
    Wednesday
    Location:
    New Jersey
    Keeping it -
     
  8. Sylvan

    Sylvan Still learning

    Joined:
    Sep 23, 2004
    Occupation:
    plumbing- - fire suppression
    Location:
    New York
    I used a left and right nipple and couplings on gas and steam work and even a few times on potable water supply

    Reasons
    1- Prevents amateurs from taking things apart so they have to call a licensed plumber

    2- Less chance of a leak compared to a union

    3- Unions are not allowed on gas work prior to the shut off valves

    In your case you can call a plumber or rent a Mega press tool and coupling and cut the pipe and then megapress coupling

    Or

    Cut the pipe open the wall remove the pipe from the female fittings (both sides) get a copper x male adapter and a slip coupling

    Or remove the pipe from both ends get two nipples and a union or straight valve with a 1/2 union

    The only difference between a hydronic valve and steam is a steam valve is either fully open or fully shut Valve for hot water heating can be throttled and there is a small hole in the cylinder Gate so there is constant circulation to prevent possible freeze up



    LEGEND MODEL T-425/S-425 straight circulator valves and straight-way fittings are constructed of heavy duty bronze. They have a male union, provide 100% shut-off and 1/4 turn flow control. For use on forced hot water heating systems up to 60 lbs.


    If you cannot get the Legend then the one below will work
    [​IMG]
     
  9. Dana

    Dana In the trades

    Joined:
    Jan 14, 2009
    Location:
    01609
    Cut the nipple somewhere in the middle, to guarantee enough left on each side of the cut to put a wrench on it.
     
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