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4/3" copper pipe from stove ?

  • 12-09-2015 9:51am
    #1
    bennyineire
    Registered Users, Registered Users 2 Posts: 2,504 ✭✭✭


    Hey Peps, just wondering if 3/4" copper pipe is sufficient to go 12 metres from a stove boiler to a cyclinder.
    The local hardware us selling 3/4" in a clearance sale for €3 per metre


Comments

  • #2
    aujopimur
    Registered Users, Registered Users 2 Posts: 3,953 ✭✭✭aujopimur


    Min 1" on gravity to the cylinder.


  • #3
    Dtp1979
    Registered Users, Registered Users 2 Posts: 12,870 ✭✭✭✭Dtp1979


    bennyineire wrote: »
    Hey Peps, just wondering if 3/4" copper pipe is sufficient to go 12 metres from a stove boiler to a cyclinder.
    The local hardware us selling 3/4" in a clearance sale for €3 per metre

    If the stove was 1 metre from the cylinder, 3/4" still wouldn't be good enough. Only at least 1" copper is sufficient on the primary circuit from a solid fuel boiler


  • #4
    Dtp1979
    Registered Users, Registered Users 2 Posts: 12,870 ✭✭✭✭Dtp1979


    And even 12 metres is too far form stove to cylinder for a gravity circuit to work safety


  • #5
    bennyineire
    Registered Users, Registered Users 2 Posts: 2,504 ✭✭✭bennyineire


    Thanks guys, I can shorten the route to 7-8 metres but its a lot harder work (lifting my floor upstairs)

    So you reckon 1" over 7-8 metres should be OK


  • #6
    aujopimur
    Registered Users, Registered Users 2 Posts: 3,953 ✭✭✭aujopimur


    I think you need a pro on this, what kind of route involved a 12mtr pipe run.


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  • #7
    bennyineire
    Registered Users, Registered Users 2 Posts: 2,504 ✭✭✭bennyineire


    the 12 metre run would be from the middle wall of the kitchen to the far side of the kitchen, so 5 X 90 bends (Behind Coving).
    The 7-8 metre run have 3 X 90 bends (involved lifting floor boards, carpets etc.)


  • #8
    Dtp1979
    Registered Users, Registered Users 2 Posts: 12,870 ✭✭✭✭Dtp1979


    bennyineire wrote: »
    the 12 metre run would be from the middle wall of the kitchen to the far side of the kitchen, so 5 X 90 bends (Behind Coving).
    The 7-8 metre run have 3 X 90 bends (involved lifting floor boards, carpets etc.)

    The shorter the run and less bends the better. But it's not just as simple as putting in a pipe. This is not a job for a DIYer


  • #9
    bennyineire
    Registered Users, Registered Users 2 Posts: 2,504 ✭✭✭bennyineire


    Yep I am aware and I will be getting a plumber to connect up for me, just trying to save money on the donkey work


  • #10
    Dtp1979
    Registered Users, Registered Users 2 Posts: 12,870 ✭✭✭✭Dtp1979


    bennyineire wrote: »
    Yep I am aware and I will be getting a plumber to connect up for me, just trying to save money on the donkey work

    Piping from the stove to the cylinder is the most important part of the job. Ask the plumber if he wants floors and walls to be drilled or cut. Same with floor boards upstairs. That's the donkey work.


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