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Replacing a radiator

  • 16-10-2019 11:44am
    #1
    Up Donegal
    Registered Users, Registered Users 2 Posts: 1,236 ✭✭✭


    I have a leaking radiator and if possible, I don't want to have to drain the heating system to change it.
    So, is it possible to remove and replace the radiator without draining the system, just by closing the two valves and unscrewing them from the radiator?


Comments

  • #2
    Sleepy
    Registered Users, Registered Users 2 Posts: 24,367 ✭✭✭✭Sleepy


    In short, yes. You'll need to drain the radiator itself though.


  • #3
    D13exile
    Registered Users, Registered Users 2 Posts: 728 ✭✭✭D13exile


    Up Donegal wrote: »
    I have a leaking radiator and if possible, I don't want to have to drain the heating system to change it.
    So, is it possible to remove and replace the radiator without draining the system, just by closing the two valves and unscrewing them from the radiator?

    Close off both valves either end of the radiator. Open the bleed screw at the top and then open the nut on the bottom to drain the water out into a basin. Once the majority of the water is out, open the other nut and let that drain into a basin. Once it stops dribbling, tip the rad up on one end and let any residual water flow into the basin. Then lift it up and away from the brackets. Fitting the new rad is as simple as placing on the brackets and tightenening the fittings a both ends. Open the inlet valve and let the water push the air out the bleed screw. Once water starts coming out of the bleed screw, close it off and then open the lockshield valve.

    Job done.


  • #4
    uch
    Registered Users, Registered Users 2 Posts: 7,020 ✭✭✭uch


    I've done this in the past, it's very simple, just do what D13exile said and you'll be grand

    21/25



  • #5
    Up Donegal
    Registered Users, Registered Users 2 Posts: 1,236 ✭✭✭Up Donegal


    Thanks Guys.


  • #6
    cruizer101
    Registered Users, Registered Users 2 Posts: 3,205 ✭✭✭cruizer101


    Can be done without draining too, though you will lose bit of water so would put down towel and maybe tray under to catch the bit of water.
    Loosen the nuts but keep pipe touching against radiator (it will dribble a bit at this point but shouldn't be much), then with someone either end quickly move radiator and put a finger over the hole, then bring it outside to drain.
    Tis a bit trickier but does save the hassle of draining the radiator in position which can be a pain as can be hard to get anything decent sized under to catch the water.
    Also to add a big radiator full of water is heavy enough.


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