Recent content by Paul Davey

Thank you Scottish Gasman, that is very helpful and just what I needed. I have a VR66 with the monozone option selected on it. It seems to work fine and is listed somewhere in the Vaillant controls brochure as being compatible with the VRC700 (just checked, page 27). It seems to work fine with...

I have a Vaillant ecofit 425 heat only boiler on a Y plan system. Controls are all Vaillant, a VRC 700f, VRC 920 gateway, 16 radiators with 15 Ambisense TRVs, the one remaining radiator TRV free as a bypass. So far so good. I'm broadly happy with the system though the Vaillant app is unreliable...