Actually I've played with it a bit more and I think the thermostat is working correctly, and the problem I'm having is the way the 2 channel boiler works. Even if the thermostat is off, I think the boiler is running to warm the HW when the CH is on, but the radiators stay cold. I wanted to use the t...
It turns out its a bit more complicated, it looks to me like the old setup is a mains voltage thermostat, and the new thermostat is volt-free. I got a relay device that allows a low-voltage thermostat to be used on a mains system: m Connecting the thermostat to the relay seems to be fine, it has a l...
Hi, i'm trying to replace an old Honeywell thermostat with a more modern one. The old one just has pins marked 1,2,3,4 connected with red=1, blue=2, yellow=3. The new thermostat has two pins, marked W and Com(mon). I'm trying to find which wires to connect on the new one. Unfortunately i've only bee...
