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Rad goes cold quick

  • 18-01-2014 9:49pm
    #1
    micks_address
    Registered Users, Registered Users 2 Posts: 8,847 ✭✭✭


    Hi folks
    Got a new radiator fitted today by plumber. Just a query really. The rad heard up really quickly and gives put great heat but when the heat switches off it seems to cool down much quicker than the older radiators in the house. Is that because the older rads have much more water in them so hold the heat longer? Standard heatmerchants rad
    Cheers
    Mick


Comments

  • #2
    Dtp1979
    Registered Users, Registered Users 2 Posts: 12,852 ✭✭✭✭Dtp1979


    micks_address wrote: »
    Hi folks
    Got a new radiator fitted today by plumber. Just a query really. The rad heard up really quickly and gives put great heat but when the heat switches off it seems to cool down much quicker than the older radiators in the house. Is that because the older rads have much more water in them so hold the heat longer? Standard heatmerchants rad
    Cheers
    Mick

    The older rads have more metal in them is more like it. Plus the newer rads are low water content too


  • #3
    scudo2
    Closed Accounts Posts: 2,008 ✭✭✭scudo2


    Newer rad = lower water content = higher heat transfer / efficiency = cools down quick when off is a side affect

    Remember the old iniffecent cast iron radiator in our school, 10 gallons full.
    Try heating that !!


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