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  1. H

    Central Heating switch does not fire the boiler

    Foreword: I've already replaced the 3 port valve head... - Boiler: Potterton Flamingo 50s - Controller: Potterton EP2000 > EP2 - Room stat: Old brown Honeywell > T6360B - Honeywell Mid Position 3 Port Actuator/Valve I moved into a 1980’s house with an old EP2000 controller, which only...
  2. H

    Circulation pump question

    Just moved into a house built in the 80s. Standard boiler/vented system I believe. My question is - the circulation pump comes on whenever the boiler turns on, whether CH is on or not. Is this normal/standard behaviour? I would have expected the circulation pump to stay off when Hot water...
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