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Oil boiler cutting out after a couple of minutes

  • 25-04-2015 10:00am
    #1
    Cakes and Ale
    Registered Users, Registered Users 2 Posts: 204 ✭✭


    Grant 50-90 outside boiler firing up for a couple of minutes, then cutting out. Had been having some drop in pressure so could there be some airlock? Radiators all bled, kerosene in tank and bled the kerosene intake too. It's a zoned heating system, and noticed that after a few minutes of the boiler running there's no sign of any heat from the radiators.

    Am I right in thinking that there's a problem with water not getting to the boiler and causing it to overheat immediately? Is there a way to bleed this? Or could it be an issue with the zoned heating pumps?


Comments

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


    Cakes and Ale wrote: »
    Grant 50-90 outside boiler firing up for a couple of minutes, then cutting out. Had been having some drop in pressure so could there be some airlock? Radiators all bled, kerosene in tank and bled the kerosene intake too. It's a zoned heating system, and noticed that after a few minutes of the boiler running there's no sign of any heat from the radiators.

    Am I right in thinking that there's a problem with water not getting to the boiler and causing it to overheat immediately? Is there a way to bleed this? Or could it be an issue with the zoned heating pumps?

    Sounds like circulating pump.
    Could be seized or just fecked try this first
    Locate pump remove bleed screw from front of pump place a flat screwdriver in it and turn the shaft if the pump starts grand if not replace pump


  • #3
    Cakes and Ale
    Registered Users, Registered Users 2 Posts: 204 ✭✭Cakes and Ale


    Cheers, opened up back of boiler and vented the pump using the bleed screw, did the trick - once it cooled down was able to turn it on as normal and get water around all the radiators!


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