Can I change the thermostat on my boiler?

Changing a thermostat is a fairly challenging job for a moderately capable DIYer. It requires second-to-none electrical safety. Alongside this guide, please read the instructions on your new thermostat and incorporate your boiler manual too. If you make a wrong connection this could seriously damage your boiler.

Will any thermostat work with any boiler?

Can you connect a wireless thermostat to any boiler? The particular wireless thermostat you have will affect whether it can be connected to your boiler. In most cases, they are compatible with most modern boilers, including combi, system and heat-only boilers.

What setting should my boiler thermostat be on?

As a rule, setting your heating control to 75 degrees should be sufficient to give you a perfectly warm house, while also allowing your boiler to run as economically as possible. Once this is set, you shouldn’t need to adjust it.

Can you use a programmable thermostat with a boiler?

Firing a mid efficiency boiler with a programmable thermostat does not change the fact that the boiler is still mid efficient. Firing a high efficiency boiler to high temperatures with a programmable thermostats does not change the fact that the boiler is behaving like a mid efficient appliance.

What should my boiler thermostat be set at?

Do I need an electrician to replace a thermostat?

Your best option is to have a C-wire properly installed and run to your new thermostat, which means it will require an electrician’s expertise. Even if you find a DIY article or video online, the risk to your health or home isn’t worth it when dealing electrical wiring.

Can you change a thermostat without shutting off power?

The short answer is no, it’s not OK – you increased your risk of electrocution and that’s never a good thing specially for a DIYer.

What temperature should a thermostat be set at UK?

As recommended by the World Health Organisation (WHO), UK households should have a room temperature in winter of around 18°C. The Energy Saving Trust advises that you should always set your thermostat to the lowest comfortable temperature – to aid the battle with climate change – but should aim for around 18-21°C.