Will A Power Cut Affect My Boiler?

Published on September 9, 2023

RJ Martindale Boiler Servicing

Power cuts, though infrequent, are an unavoidable part of modern life. They happen at the worst moments…Usually power cuts only last an hour or so, but depending on the severity of the cut, they can last much longer. This is bad news for your boiler.

If you rely on a boiler for heating, you may wonder how a power cut can impact its functionality.

In this article, we’ll explore the effects of a power cut on different types of boilers and provide tips on how to prepare for such situations.


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Electric Boiler

Electric boilers operate solely on electricity and are directly connected to the power grid. 

During a power cut, an electric boiler will stop functioning, leaving you without heat and hot water until the power is restored. This can be a significant inconvenience, especially during cold Manchester winters.

To mitigate this, homeowners with electric boilers should consider having a backup heating source, such as a portable electric heater or a gas-powered space heater. Additionally, installing a generator can provide a reliable source of power during emergencies.


Gas Boilers

Gas boilers, which run on natural gas or propane, have a distinct advantage during power cuts compared to electric boilers. They don’t rely on electricity to produce heat. Instead, they use a pilot light or a spark igniter to ignite the gas and generate heat. This means that a gas boiler will continue to function even if there’s a power cut, providing uninterrupted heating and hot water.

However, it’s important to note that some modern gas boilers may have electronic components, such as digital displays or control panels, which require electricity. In such cases, the basic functionality of the boiler will still work, but you may not be able to access its digital features.


Oil Boilers

Oil boilers, like gas boilers, don’t rely on electricity to generate heat. They use an oil burner and a flame to heat the water, making them resilient to power cuts. However, some oil boilers may have electrical components for functions like the thermostat or pumps. In the event of a power cut, these features may not work, but the basic heating function will still be operational.


Which Boiler Is Most Susceptible To Power Cuts?

Electric boilers are most vulnerable to power cuts, while gas and oil boilers are more resilient. Depending on your needs, it may be time to consider a new boiler.


Preparation and Tips

Invest in a Generator:

If you have an electric boiler, consider investing in a backup generator. A generator can provide temporary power during a cut, ensuring that your boiler continues to operate.

Maintain Manual Ignition Options:

For gas and oil boilers, ensure that they have manual ignition options. This will allow you to light the pilot or burner manually in case of an electrical failure.

Regular Maintenance:

Regular servicing of your boiler is crucial to ensure it functions optimally, especially during emergencies. A well-maintained boiler is less likely to experience problems during power cuts.

Consider Alternative Heating Methods:

Regardless of your boiler type, having alternative heating methods like portable heaters or a fireplace can provide valuable backup during power cuts.


How To Prepare Your Boiler For A Power Cut

It’s essential to be prepared for any event. Investing in a backup generator, maintaining manual ignition options, and having alternative heating sources on hand can go a long way in ensuring you have heat and hot water even during a power cut. By taking these steps, you can minimise the inconvenience caused by unforeseen disruptions to your power supply.


Need Help?

If you’re having issues with your boiler, don’t hesitate to contact us. We’re Bolton and Greater Manchester’s go to boiler experts. All of our engineers are Gas Safe certified and trained to City & Guilds standards. Feel free to also reach one of our friendly team members on 01204 693 333.

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