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Discuss Outside tap screw query in the Plumbing Forum area at UKPlumbersForums.co.uk.

  1. scoz

    scoz Member

    on an outside tap what is the reason for the small screw underneath the tap body.
     
  2. scott_d

    scott_d Plumber GSR Top Contributor!!

    Some have a check valve
     
    • Agree Agree x 4
  3. scoz

    scoz Member

    Thanks Scott
     
  4. Stigster

    Stigster Plumber

    If it's got a little plug/screw in the check valve it's a verifiable one.
     
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