I'm looking at replacing my boiler thermostat. Current thermostat just has one pair of wires going to it like this:
I'm assuming this is just a switch and, as such, all the smart thermostats that seem to require mains power wouldn't be compatible without extra wiring, I'd need something battery powered? Am I understanding that right? Cheers
I'm looking at replacing my boiler thermostat. Current thermostat just has one pair of wires going to it like this:
I'm assuming this is just a switch and, as such, all the smart thermostats that seem to require mains power wouldn't be compatible without extra wiring, I'd need something battery powered? Am I understanding that right? Cheers