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Back boiler plate warping

  • 30-12-2012 2:48pm
    #1
    kavanaa1
    Registered Users Posts: 55 ✭✭


    We have an open fire and recently disconnected the boiler as we have installed a new central heating system . The boiler plate in the stove is now warping and coming loose, I think because of the absence of circulating water and the constant thermal cycling. I think it's cast iron. It says " firemaster high output boiler " in cast lettering on the front of the plate.
    If it warps further it won't remain in place, already it's coming loose and the flames are going up the back boiler cavity possibly damaging whatever is inside.

    So does anyone know if there are replacement plates around or if a steel plate could be welded onto the cast iron backing to seal the opening.

    Thanks a lot,


Comments

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


    The back boiler should be removed and replaced with a fireback as it's unsuitable for a fire without water to dissapate the heat.


  • #3
    Robbie.G
    Registered Users, Registered Users 2 Posts: 1,884 ✭✭✭Robbie.G


    The backboiler should have been removed when it was disconnected it is now a legal requirement in the UK as there has been several fatalities were the boiler exploded as it was still sealed and couldn't expand. So get the boiler removed and replaced with a FIREBACK contact a fireplace shop and they will give a price for works


  • #4
    slimjimmc
    Registered Users, Registered Users 2 Posts: 7,786 ✭✭✭slimjimmc


    Robbie.G wrote: »
    The backboiler should have been removed when it was disconnected it is now a legal requirement in the UK as there has been several fatalities were the boiler exploded as it was still sealed and couldn't expand. So get the boiler removed and replaced with a FIREBACK contact a fireplace shop and they will give a price for works

    Agreed, the explosion danger comes from completely sealing the back boiler.
    But there's no danger if the back boiler is left vented, such as when the inlet/outlet pipes are left uncapped or the water jacket is drilled. The OP should urgently confirm that the back boiler really is vented (I expect it is if he had fires so hot as to warp the plates, but best confirm).

    However, you should still replace the back boiler; a stove or insert would be more fuel efficient than a open fireback.


  • #5
    biko
    Registered Users, Registered Users 2 Posts: 81,220 ✭✭✭✭biko


    A 65yo woman died in the UK because of a sealed back boiler so it is a real danger.


  • #6
    slimjimmc
    Registered Users, Registered Users 2 Posts: 7,786 ✭✭✭slimjimmc


    biko wrote: »
    A 65yo woman died in the UK because of a sealed back boiler so it is a real danger.
    Of course sealed boilers are an explosion risk but vented ones aren't. As I said, the OP should confirm this immediately.


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