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To be honest, I'd be quite happy if it came on with the main radiators. Can that be done with the current controls - getting rid of the thermostat that's currently controlling the underfloor heating? The plumber seemed to suggest that he needed the VRC 430 because he had to have one to work...

One more thing to add. The pump for the underfloor heating as installed has an external room thermostat connected to it, and when the temperature drops the pump starts going - though the boiler may or may not be going at that point. The pump will come on in the middle of the night when it's...

Yes Yes there's an uponor manifold with a pump, some valves and a thermostatic cutout of some kind. Couldn't find any pictures on the web, so can't be more specific at the moment. Thanks Dave.

Hi all, At the beginning of the year we replaced our old central heating and hot water system. We told the plumber we wanted a Vaillant ecotec boiler and tank, and he spec'd out a Vaillant ecoTec 630 boiler, a UniStor tank, a VR 65 control centre and a VRT 360 thermostat. This was to provide...