Recent content by Philnails

  1. P

    Draining worcester bosch highflow 400 combi

    Yes try not to go near the isolation valves in the boiler. I did and one leaked, not too badly though but had me worried. Stopped on its own after a while. I isolated the CH system at the boiler so I would still have hot water but the pressure leaked anyway and I had to refill the system early...
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