Got an old Potterton PRT100 wired with 3 wires. Been told it's 240v / neutral. Brought a Honeywell Lyric t6 to just replace it, but been told that needs the relay box fitted and can’t just replace the prt100.
I would still like a Honeywell, but which digital one works with 240v? I want a programmable one. Is the T4 ok?
I would still like a Honeywell, but which digital one works with 240v? I want a programmable one. Is the T4 ok?