zonal valve

  1. J

    Honeywell Zonal Valve to Nest Heat Link

    Hi All, This may have been asked before, but I need some help wiring up my honeywell 2 port valve to my heatlink, after some dodgy electrician was useless. This is the current set up and, the zonal valve stays open constantly, so when the UFH is live, so are the radiators: I can see...
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