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Installed new pump, no pressure in groups

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  • Installed new pump, no pressure in groups

    Had a leaky rotary pump which I replaced it today. The boilers fills and the steam-wand and tap works great but I'm yielding no pressure in the group heads. Just a bit of steam out of each. Can anyone help out?

    I've fiddled with the OPV in the past and had nothing but trouble since. Could that be it?

  • #2
    If the boilers are filling you would expect for at least some water to come out of the group.

    The pressure adjustment on a rotary pump is simple, give it a tweak and see if it makes any difference.

    Cheers

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    • #3
      Forgot to mention the OPV in a rotary pump is normally set at 12 bar as a safety pressure bleed incase your bypass in the pump head jams and the pressure rockets.

      The adjustment for pump pressure is a screw / bolt on the pump head itself (with a lock nut).

      Cheers

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