grunfoss pump

  1. G

    Shower pump pulses when shower turned off

    Our previous shower pump (Stuart Turner) worked perfectly for around 10 years and then we had problems with starting it. On checking out the old pump I realized that the installation provided for insufficient water-head. So we have re-jigged the pluming to place a brand new twin 3bar pump by...
  2. E

    Pump still running

    I have a back boiler in lounge then in airing cupboard a water tank & time clock & pump, over night the heating didn't click off & when I turned it & hot water to off this morning the pump still runs & the water is very hot . I turned it off at plug a few times but it just starts up again I've...
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