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10 litre under sink water heater queries

  • 02-12-2018 11:21pm
    #1
    Registered Users, Registered Users 2 Posts: 26,280 ✭✭✭✭


    So I have a warehouse im kitting out at present, it has a bathroom and weve just fitted a kitchenette about 2 meters away from said bathroom. Theres a fresh cold water supply to the bathroom but no hot water. I want to fit a water heater for use on both the kitchenette tap and the bathroom tap. I just have a few queries

    1) is pex pipe suitable to carry the hot water or would you reccomend I use copper ?
    2) Do I need an expansion vessel ? heater will be in the kitchen area in a press , 2-2.5 meters from the valve off the cold water supply and on the delivery end the kitchen tap will be 60cm away from it and the bathroom tap 2-2.5 meters from it.
    3) Is there a point in insulating the hot side pipes or just leave them ?


Comments

  • Posts: 0 [Deleted User]


    I prefer copper pipe because as the temperature increases the ability for the plastic pipe to deal with pressure decreases.


  • Registered Users, Registered Users 2 Posts: 2,409 ✭✭✭sullzz


    gary71 wrote: »
    I prefer copper pipe because as the temperature increases the ability for the plastic pipe to deal with pressure decreases.

    I'd say I could count on one hand how many I've seen fitted correctly.


  • Registered Users, Registered Users 2 Posts: 17,279 ✭✭✭✭Sleeper12


    sullzz wrote:
    I'd say I could count on one hand how many I've seen fitted correctly.


    I've seen very few with expansion vessels and some without a pressure release device. Bombs in the making imo


  • Registered Users, Registered Users 2 Posts: 2,409 ✭✭✭sullzz


    Sleeper12 wrote: »
    I've seen very few with expansion vessels and some without a pressure release device. Bombs in the making imo

    Yep, I've been to so many multi story office blocks with them fitted in toilets and kitchenettes and burst destroying floors below.
    I've also replaced them in creches where kids were at risk.
    Then you have people replacing them like for like when they do burst, no excuse for it.


  • Posts: 0 [Deleted User]


    Iv seen a lot in my day job and very few are fitted correctly

    The installer has usually paid for damages because the work is often found to be negligent which inturn voids his/her public liability insurance.


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