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Pipe dimensions for new tee to kitchen tap

  • 20-10-2013 2:37pm
    #1
    lucernarian
    Registered Users, Registered Users 2 Posts: 9,235 ✭✭✭


    Hi there,

    I'm hoping to lay about 3 metres of pipe from the sink in a nearby WC to the kitchen sink along skirting and through one wall, to bypass an extra 20 or so metres of pipe the hot water needs to get to the kitchen. The house isn't even big, it just took an extremely long route as it used to pass into a second tank heated by a stove back heater at the other end of the house from the boiler.

    Question is, the final pipe going to the bathroom sink is currently 0.5 inch. Is there any advantage in connecting the kitchen supply to this pipe with 0.75 inch piping (the hot water does flow through .75 inch pipe until before it reaches the bathroom sink)? The pipe for the kitchen is also half an inch when it comes up from the ground, and it also supplies a washing machine.

    Also, can I use plastic for it or should I use copper? I see no bonding used for the hot water pipes currently in the kitchen or bathroom.


Comments

  • #2
    corkgsxr
    Registered Users, Registered Users 2 Posts: 3,404 ✭✭✭corkgsxr


    You can use plastic.

    No advantage to using 3/4. More water would have to run off to get hot water through.


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