Hi,
Whats the difference between the VR920 and VR921? I’m looking to add internet control to my 700. Also which is the best Vaillant app or can you use any of them with these controls?
Vaillant’s website isn’t too clear on this.
Thanks
Nathan
Whats the difference between the VR920 and VR921? I’m looking to add internet control to my 700. Also which is the best Vaillant app or can you use any of them with these controls?
Vaillant’s website isn’t too clear on this.
Thanks
Nathan