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    Swapping a Alpha Thermostat for a Nest 3rd Generation Thermostat Wiring

    Hello, I have a friend who has a Alpha CB50 Boiler running off a Alpha thermostat. He wants to install a Nest thermostat. Do any of you nice people out there have a wiring diagram we can work off? Thanks in advance Tom
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    Swapping out a British Gas UP1L for a NEST 3rd Generation Thermostat

    Hi, I have just moved into a new house and it has a British Gas UP1L controller and thermostat controlling the heating and hot water. I have a new 3rd Generation NEST controller and thermostat to install and I cannot find a wiring diagram for the UP1L. N and L are self explanatory. I think 1...
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