vrc470

I've got Vaillant system with VRC470 control unit and control know is not responding. Since VRC470 is discontinued I am now considering replacin git with VRC720 Is a matter of simply removing VRC470 and disconnecting eBus and connecting VRC720 or much more complicated and professional installer...

Hi Guys, New to these forums and new to the Vaillant VRC470 weather compensator! I've seen many other threads on people trying to get there heads around how this system works. I was wondering if anyone could help with the following: 1) How do I know whether I have two heating zones, I have...

Got a small problem with my Vaillant VRC 470f wireless weather compensating heating controller that is used with my Eco Tec Plus 937 boiler. Every now and then (a few to several times a week), the clock on the controller randomly resets its self as if new batteries were put in. This has lead to...

Hey all, Apologies if this is a really silly question but I have has the VRC 470 installed with a Vaillant system boiler & Vaillant cylinder. Everything is working fine and I have learnt a lot about using the VRC 470 controller (which you need a master's degree in). However I am missing the...