PB Plumber Nest Thermostat on a Y Plan

I wanted to make a video about fitting a Nest thermostat onto a y plan system.
Ive tried to make it simple and easy to follow but its not a step by step ‘how to’ guide.
I’m quite nervous about this upload so please let me know what you think in the comments, and as always thank you for watching ✌️

Please do not attempt anything you see in the video unless competent to do so.
If working with electricity always a follow safe isolation procedures and stay safe.

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Видео PB Plumber Nest Thermostat on a Y Plan канала P B Plumber