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  1. S

    poterton promax

    potterton promax system no hot water no heating programmer light on nothing appear on the boiler expect power green light test 2port valve no movment
  2. S

    suprima 50 not hot water

    suprima 50 heating working hot water flame few second and green light new pcb any help please thanks {2 port valve} if you want heating the boiler work find if youi want hot water the boiler light for a few second and the green light flash
  3. S

    pressure relay valve leaking

    I just change a pressure relay valve on vaillant ecotec 24 but still the water going out any clue please thanks
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