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    3 Port valve wiring advice

    Hi everyone, long time reader, first time poster. Need some advice please. We have an old heating system - Baxi bermuda back boiler (serviced every year and running fine), hot water tank, pump and 3 port-valve in the airing cupboard. I believe it's a Y-Plan set up. Couple years ago, upgraded...
    • GQ1
    • Thread
    • 3 port valve problems drayton mid position actuator electrical hive dual channel y-plan
    • Replies: 18
    • Forum: Plumbing and Central Heating
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