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konastab01
aggi
On smart thermostats and the like, my current thermostat is a netatmo one which has a battery powered thermostat connected to the boiler by two wires and a separate relay that connects to the wifi and plugs into the mains.
There is an alternative setup where the thermostat is wireless and the relay connects directly to the boiler. For this it needs the two switch wires and also power (I think this is pretty common for most smart thermostats).
Question is, does that power come from the mains or is there usually somewhere in the boiler (Main Eco Compact 25) you take the power from?
The boiler installation manual appears to suggest it should be taken from the spur that powers the boiler, does that seem right?