HELP PLEASE . Glowworm swiftflow pressure too high !!!

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    • #276072
      MasterPlumbers
      Keymaster

      Help please, I have a glowworm swiftflow central heating boiler and the pressure has gone up to 3 and the highest is only 4.
      The recommended setting is 0.7.

      Does anybody know how to lower the pressure ?

      Thanks in anticipation of your cooperation

      Regards, Graham

    • #293371
      Harold Kestenholz
      Participant

      Usually the water feed valve is shut off by a hand valve and the excess water pressure is drained. The pressure regulator is repaired, the expansion (accumulator) tank is adjusted, and the pressure range is normal.

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