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thumping noise from hot press

  • 20-01-2014 9:44pm
    #1
    Mr infomaniac
    Registered Users, Registered Users 2 Posts: 51 ✭✭


    When i turn on oil heating i hav a loud thumping noise from hotpress. Heating works but water is now going up vent pipe to attic. Thumping noise changes when i change speed on pump. I also have a stove connected with its own pump this is not affected.


Comments

  • #2
    shane0007
    Closed Accounts Posts: 4,677 ✭✭✭shane0007


    Any valves or non-return valves on that circuit?
    Is a recent development or did it always do it?
    Has anything changed with the system or was any part drained recently?
    Is it happening when the oil only is on or when both oil & stove is on?


  • #3
    Mr infomaniac
    Registered Users, Registered Users 2 Posts: 51 ✭✭Mr infomaniac


    It only happened this week. Non return valve on pipe from oil boiler. All lever valves to upstairs downstairs and hw are open. It only happens when oil heating is turned on. As soon as circulating pump is stopped noise stops.


  • #4
    shane0007
    Closed Accounts Posts: 4,677 ✭✭✭shane0007


    Pump could be faulty. Non-return valve could be stuck. Boiler circuit could have an airlock.
    It would probably be best to call somebody out to have a look.


  • #5
    Mr infomaniac
    Registered Users, Registered Users 2 Posts: 51 ✭✭Mr infomaniac


    Think noise is from non return valve near stove. If i turn on pump for stove noise stops. Its a spring type nrv. Could noise be caused by a defective non return valve or is it another problem with system causing valve to open and close? Please help noise is very annoying.


  • #6
    jimf
    Registered Users, Registered Users 2 Posts: 3,965 ✭✭✭jimf


    Mr infomaniac wrote: »
    Think noise is from non return valve near stove. If i turn on pump for stove noise stops. Its a spring type nrv. Could noise be caused by a defective non return valve or is it another problem with system causing valve to open and close? Please help noise is very annoying.

    your best bet would be take the advise in post 4 above


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  • #7
    Mr infomaniac
    Registered Users, Registered Users 2 Posts: 51 ✭✭Mr infomaniac


    Dont have money for plumber. Any advise from a plumber would be apreciated. Will drain down system monday and change nrv and hope for best.


  • #8
    Mr infomaniac
    Registered Users, Registered Users 2 Posts: 51 ✭✭Mr infomaniac


    Just to update. I replaced non return valve and all is well. No need for an overpriced plumber. Thanks for replies.


  • #9
    Dtp1979
    Registered Users, Registered Users 2 Posts: 12,852 ✭✭✭✭Dtp1979


    Mr infomaniac wrote: »
    Just to update. I replaced non return valve and all is well. No need for an overpriced plumber. Thanks for replies.

    Just out of curiosity, is the non return valve on the pipe that goes from the stove to the cylinder?


  • #10
    DGOBS
    Hosted Moderators Posts: 3,496 ✭✭✭DGOBS


    Just to update. I replaced non return valve and all is well. No need for an overpriced plumber. Thanks for replies.

    That's a nice comment to give the 3 PLUMBERS that just helped you out for FREE


  • #11
    Mr infomaniac
    Registered Users, Registered Users 2 Posts: 51 ✭✭Mr infomaniac


    Non return valve is on feed from stove to rads.


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