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Sure Pump 55/130

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  • 29-03-2013 4:24pm
    #1
    Feeder
    Registered Users Posts: 177 ✭✭


    Hi, I have a sure pump 55/130 connected to a baxi solo boiler on my central heating system. Its an open vented system I'm told. Its a std 3 bed semi d with 4 rads downstairs and 3 large and 2 small upstairs.

    For the last few weeks there has been a really bad high pitched noise that you can hear all over the house. Sounds like this person has the same issue as me:

    http://www.diynot.com/forums/plumbing/noisy-central-heating.312731/

    Anyway I changed the pump speed today which seems to have sorted the issue. The way the pump is positioned i cannot see if I am at the highest 3 or lowest 1 on the switch. 2 of the 3 speeds are noisy.

    If I am at the lowest is there any risk with this and if I need to replace the pump can anyone recommend a good quality replacement ? There's a chance i could be at top speed too but its impossible to tell at the moment. I might be able to get a small mirror under it to see

    If you need any more info off me let me know


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    #2
    Billy Bunting
    Registered Users Posts: 2,842 ✭✭✭Billy Bunting


    If its on low speed but still heating the rads thougherly then fine, if you have it on max then thats fine but i would check the vent pipe in the loft and make sure its not pumping over, if it is then thats a problem.

    Grunfoss pumps are top of my list.


  • Options
    #3
    Feeder
    Registered Users Posts: 177 ✭✭Feeder


    Thanks Billy,

    Can you explain about the vent pipe in the loft and it pumping over. I have no idea where this is and what pumping over is.

    I will check the rads upstairs later after they are on for a while and see if they are heating fully.

    *edit The rads upstairs are working fine and each one is at a good temp


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