This is a UK and ROI specific subreddit, r/DIY has a lot of US Specific content, things like products to use, where to get them, laws and codes that don't apply to the UK. But when I take it off the wall the back is left attached to the wall and the batteries are exposed so not very aesthetic or functional. Got a new hive thermostat yesterday as well, and somewhat confused to find it won’t stand up by itself cos of little sticky out bit at the bottom. Total time about an hour, now have thermostat in a room where it is more effective, and a lot more control of usage.

If you need to, you can use its simplified controls to set the temperature and switch between modes.Savings achieved could be higher or lower depending on the weather, previous energy usage, energy tariff, home and heating system properties and home heating habits. I work away from home a lot so would definitely be interest in a straight swap for something more WiFi enable to control remotely.

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In the unlikely event that the thermostat cannot be installed in your home, you can receive a full refund for your purchase (this is valid for 14 days from the point you receive the product or the day of your installation). As Peter says, if the boiler was wired to the 230 volt control then the line in could be common so no need to use the earth wire for control, so one would assume volt free type thermostat is required. If your boiler works with a standard room thermostat and / or programmer then a Hive Thermostat can control it. You can also manage your heating using the Hive app so you’re only using the heating when you need to.

In this case, your heating will switch off but you can temporarily switch it on by pressing the heating button on the front of the receiver. You’ll also get an extra 10% off Hive products and home repairs, plus extended warranty on your Hive heating devices. Heating Efficiency Alerts uses your thermostat data to help ensure your home is warming up efficiently. Depends what A and B go to in the boiler, the twin channel will only output 230V to the heating on terminal and if the grey and earth wires go to the 24V bus in the boiler bad and expensive things will happen to it.Turn it up, down, on or off, set schedules and get notifications if you accidentally leave it on when you head out. The receiver talks to the Thermostat which then talks to the Hive hub which is ethernet connected to the router.