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UFH and Domestic Hot Water

  • 15-11-2010 11:41am
    #1
    Wolfhound14
    Registered Users, Registered Users 2 Posts: 100 ✭✭


    Hi,

    I have been looking at the spec of a particular condensing oil boiler manufacturer and it recommends flow and returns of 50C and 40C for use with UFH.
    This makes perfect sense to me for the heating, but is 50C hot enough for domestic hot water? I think it needs to be at least 60.

    I am wondering how people set their boilers to work for water and underfloor.


Comments

  • #2
    Wolfhound14
    Registered Users, Registered Users 2 Posts: 100 ✭✭Wolfhound14


    To explain...I put it in this section as Solar is being used for the water in the summer.


  • #3
    Condenser
    Registered Users, Registered Users 2 Posts: 536 ✭✭✭Condenser


    You'll need to get it to 63C a couple of times a week to kill off legionella


  • #4
    LoTwan
    Registered Users, Registered Users 2 Posts: 608 ✭✭✭LoTwan


    AFAIK the bioler will heat the water to somewhere between 60 & 65 & the UFH system will cool it down by introducing cold water.


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