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water tank outlet feed

  • 22-11-2013 2:46pm
    Registered Users Posts: 33 ✭✭✭ colm L


    what do i need to drill an outlet hole into the water tank in attic.
    its my folks tank, the current one for their shower goes straight out in an awkward place, i just want to close this and put in another one and pipe it around in a more discrete fashion.

    just wondering what i need to drill the hole in the tank and then what fitting i need to pipe the hole?


  • Registered Users Posts: 33 ✭✭✭ colm L

    its a new plastic tank btw

  • Registered Users Posts: 439 ✭✭ North West

    Hi use a hole saw attachment that you can connect to a std drill. They are available at any good plumbing outlet

  • Registered Users Posts: 9,689 ✭✭✭ dodzy

    As NW has said, or cheaper to get a spade drill bit in any DIY store. Just FYI.....

    After you empty the tank for drilling, make sure that you collect the swarf ( the black plastic bits that will fall into the tank once you drill though ).

    These little buggers can make there way into the system and typically end up stuck at the end of a tap head, thus affecting the flow of water at that point. Seen it a few times.

  • Registered Users Posts: 2,842 Billy Bunting

    A cleaner alternative is a piece of copper pipe heated up and a hole melted through tank, ream the hole with hot pipe until correct size, be sure to smooth out plastic around hole.