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Discuss Pressure release valve leaking in the Plumbing Forum area at UKPlumbersForums.co.uk.

  1. Benjamin Watkins

    Benjamin Watkins New Member

    Hello
    We have recently bought a house and the towl rail in the bathroom was not drilled to the wall so i took it off and drilled it to wall and put the rail back all sound!!
    But since then iv had problems the boiler pressure is showing at 0 but everything is working fine hot water and radiators and the safety discharge pipe (pressure release valve ??????)is leaking a good cup full when the radiators are coming on!! Im assuming that this is doing its job?? Also radiators are getting extremely hot!!! The boiler was working absolutely fine until i dis the towel rail...any help plz??
     
  2. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    did you refill the system eg re pressurised
     
  3. Benjamin Watkins

    Benjamin Watkins New Member

    Hello yes i did but it keeps dropping but the hot water and heating still working when they are on it shows 2 bar
     
  4. Benjamin Watkins

    Benjamin Watkins New Member

    I thought about draining the system may this help?
     
  5. kris

    kris Trusted Plumber GSR

    When the heatings on does the needle on the gauge rise quickly or quite slow and also has the needle risen up to 3 bar while the boilers on or only up to 2.
     
  6. Benjamin Watkins

    Benjamin Watkins New Member

    Hello kris it’s different all the time its just under 1 bar now
     
  7. kris

    kris Trusted Plumber GSR

    If you fitted the towel rail and put too much pressure into boiler it may have opened your safety valve , or you may just be unlucky mate..
     
  8. Benjamin Watkins

    Benjamin Watkins New Member

  9. Benjamin Watkins

    Benjamin Watkins New Member

    Iv put a picture on its almost full again
     
  10. kris

    kris Trusted Plumber GSR

    I mean the prv may need to be replaced by an engineer as sometimes once they start passing you'll always be topping the boiler up. The prv is set to open when boiler reaches 3bar hence why I was asking if too much water had maybe been put in it Benjamin when it was topped up.
     
  11. kris

    kris Trusted Plumber GSR

    Pressure relief should be terminated outside Benjamin. Where's the water coming from ? You sure u don't have a leak
     
  12. Benjamin Watkins

    Benjamin Watkins New Member

    Iv had chase of and it look it is where it comes from

    image.jpg
     
  13. kris

    kris Trusted Plumber GSR

    I mean that pipe should be terminated outside or wet floors unfortunately, Is it constantly dripping ? Think you may need an engineer visit Benjamin if it's inside boiler and passing ,
     
  14. Benjamin Watkins

    Benjamin Watkins New Member

    No only drips when boiler kicks in
     
  15. AMGasServices

    AMGasServices GSR

    Could be an expansion issue. Or restriction to the expansion vessel.

    Please get a local gas engineer sort it mate.
     
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