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boiler making weird noise!

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  • 30-09-2013 8:47pm
    #1
    nino1
    Registered Users Posts: 826 ✭✭✭


    the pressure gauge on our boiler has dropped to 0.5.
    Just got it serviced 2 weeks ago.
    Its still on, and there is still heat but as well as the pressure drop it is making a weird "chug chug" noise!
    Any ideas what could be going on?


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    #2
    JohnnieK
    Registered Users Posts: 2,526 ✭✭✭JohnnieK


    What was the pressure prior to the service?
    I would take a guess that the pump is cavitating due to low pressure at the suction side.

    What make and model of boiler is it?


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    #3
    nino1
    Registered Users Posts: 826 ✭✭✭nino1


    JohnnieK wrote: »
    What was the pressure prior to the service?
    I would take a guess that the pump is cavitating due to low pressure at the suction side.

    What make and model of boiler is it?

    thanks johnnie,
    the pressure was at 3 before this.
    its so old I can't see any make or model on it!

    if its a case that the pump is cavitating is there anything I can do myself or is it a case of calling a plumber?


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    #4
    JohnnieK
    Registered Users Posts: 2,526 ✭✭✭JohnnieK


    nino1 wrote: »
    thanks johnnie,
    the pressure was at 3 before this.
    its so old I can't see any make or model on it!

    if its a case that the pump is cavitating is there anything I can do myself or is it a case of calling a plumber?

    Was it 3 while you where running it or before you where running it?

    If it was like that when the boiler was running the pressure releife valve has probably opened to alow the excess pressure out and has dropped to 0.5.

    There should be a fill point on the system somewhere usually located in the hotpress. It might be a silvery flexible braided hose with a valve on it. If you could take some pics of the boiler and hot press we might be able to see it.


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