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Capping off water supply to bathroom fittings

  • 11-12-2018 3:20pm
    #1
    D13exile
    Registered Users, Registered Users 2 Posts: 728 ✭✭✭


    Fed up waiting for plumbers to show up (and they never do!) for what are two small jobs. I want to remove an old sink and bath and I need to cap off their respective water supplies. The fittings are qualplex to the sink and copper to the bath. Can anyone tell me how to do this please as its holding up a bigger job.

    thanks


Comments

  • #2
    John.G
    Registered Users, Registered Users 2 Posts: 3,623 ✭✭✭John.G


    D13exile wrote: »
    Fed up waiting for plumbers to show up (and they never do!) for what are two small jobs. I want to remove an old sink and bath and I need to cap off their respective water supplies. The fittings are qualplex to the sink and copper to the bath. Can anyone tell me how to do this please as its holding up a bigger job.

    thanks

    You can get these in any plumbers suppliers, they look like a straight coupling except that one end is the blank.

    Cut your pipe to size, slip on the nut, then the brass olive, then put a insert into the Q.pex pipes (only), then put the blank on the other end and tighten up.


  • #3
    D13exile
    Registered Users, Registered Users 2 Posts: 728 ✭✭✭D13exile


    John.G wrote: »
    You can get these in any plumbers suppliers, they look like a straight coupling except that one end is the blank.

    Cut your pipe to size, slip on the nut, then the brass olive, then put a insert into the Q.pex pipes (only), then put the blank on the other end and tighten up.

    Thank you. Do I need ptfe tape on as well or will the fittings hold? Have this fear of them coming off and flooding the place. Plumbing makes me nervous as I had a serious water leak in the last house (not my fault) and it caused a lot of damage to ceilings and wooden floors.


  • #4
    John.G
    Registered Users, Registered Users 2 Posts: 3,623 ✭✭✭John.G


    D13exile wrote: »
    Thank you. Do I need ptfe tape on as well or will the fittings hold? Have this fear of them coming off and flooding the place. Plumbing makes me nervous as I had a serious water leak in the last house (not my fault) and it caused a lot of damage to ceilings and wooden floors.

    I never use ptfe tape but most do (see later), make sure you push the pipe fully (home) into the blank before tightening. After tightening remove the blanking cap and ensure that the end of the pipe is extending not less than ~ 5mm beyond the end of the olive, you can then wrap just a few turns of the ptfe tape around the olive and re tighten.
    Just a reminder, don't forget to use inserts in the Q.pex.

    Some, on here, recommend wrapping just one or two turns around the threaded parts as it helps to lubricate the threads and makes it easier to tighten up but bear in mind that this plays no part in the actual sealing of the joint.


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