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    Just another Nest wiring problem?

    ok thanks @picasso, right new actuator has arrived, just fitted it and it works! Thanks for your help, now just need to tidy the wiring up and remove the old timer.
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    Just another Nest wiring problem?

    Sure, here you go @picasso I've been checking over the weekend, the lever on the valve had been set to manual, whilst like this, the H/W will come on and also heat the radiators and if I turn the room thermostat up, it will turn the pump on and the boiler. But if I move the lever to auto, the...
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    Just another Nest wiring problem?

    Here you go @picasso I've done a complete wiring diagram. I agree @flameport I'm just not sure how to re-wire it. I do understand that if the timer was on some sort of schedule than that would throw a spanner in the works with the nest, so on the timer HW and CH are manually set to ON I would...
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    Just another Nest wiring problem?

    Hi all, I've recently purchased a Nest v3 thermostat and had a go at installing it.... It works!....but I have a smallish problem I'm hoping you guys can help with. Ok, so when I choose to either boost the hot water, or the hot water thermostat kicks in, the boiler fires up, the pump comes on...
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