not when you have a wiring control centre vr65 as part of the setup. that now needs upgrading. and their vsmart app only supports ch and hw. it can’t handle a second heating zone for the ufh. vaillant themselves can’t even tell me what i need to upgrade. they’re uselessvaliant definitely supports demand for hat Alan well at least the one I had in my previous house did. give them a call maybe?
oh and its ****ing down everywhere