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Cosbey1
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since
07-27-2023
08-09-2023
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Old thermostat wiring help
07-27-2023
Hi,Does anyone know which of these three wires I need to put into T1 and T2 on the nest thermostat (yellow, red or blue) thank you in advance
Re: Old thermostat wiring help
08-04-2023
Hi, Thank you for the reply, I live in the united kingdom. When I get home from work today I will take some pictures and post them on here. The boiler is an oil combi boiler. Thanks Daniel