You use the same wires that are currently connected to that Esi receiver.I thought i had to open boiler to install the hive receiver wires?
The Esi backplate is removed, the Hive plate attached to the wall, and the wires are attached to the Hive backplate.What next.?
It's not connected, and would be a 1% saving if it was and actually worked with that boiler, which is far from certain.OpenTherm
So you have a boiler with terminals marked bus and a thermostat marked OpenTherm why down grade to Hive?
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