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Hi All, We bought a Victorian terraced last summer and instantly had to get the house rewired due to it being so old. Anyway, I'm finally getting round to sorting out the loft insulation as the bedrooms upstairs get so damn hot in the summer and the insulation up there looks more like carpet...

The nest thermostat would click on, (wirelessly) speak to the heatlink (this all works fine). The heat link should call for heat, and therefore open the zonal valve. Ordered some wire stippers off Amazon, will report back tomorrow with an update. Thanks for the help!

So this is what I am going to do, any objections?

Apologies if I am being unclear. I'll try again The UFH heating works fine in the sense that, when the UFH thermostat is calling for heat, the boiler comes on and thus the UFH begins to heat up, passing through the UFH zonal valve (zone 1) which has also opened to allow the hot water to pass...

The Nest is only for the radiators, this zonal valve is also only for the radiators. Just being clear, the UFH works totally fine!

Thanks guys, yeah we have two zonal valves, the first one does what it says on the tin, opens when called for, closes otherwise... This one is for the rads, right now when the UFH comes on the morning, the radiators do as well.... So orange would link to 3 on the heat link (call for heat)...

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...