3 port valve problems

  1. G

    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: 19
    • Forum: Plumbing and Central Heating
  2. M

    central heating won't turn off

    I have a Gloworm Flexicom 18hx boiler, Drayton T721R Programmer, a Drayton MAI/679-3 3 PORT VALVE and a Drayton RTS2 thermostat and a Drayton cylinder stat. The programmer, 3port valve and both thermostats are all new. The hot water system is behaving correctly, switching off with the...
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