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What Can Cause a Boiler to Stop Working?

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We all know how important our boilers are to our homes, so when they stop working, this can be a troubling time. You may need to replace your boiler, or have it fixed, however, there are some situations in which there is a quick fix to get your boiler back up and running. We want to guide you through some of the reasons that your boiler can stop working, including some of the ways that you may be able to resolve this, or when you need to call in professionals. BOXT Boilers are going to run you through some of the easy issues that you may be able to resolve yourself.

Check your boiler pressure

This is probably one of the most simple, but common issues that people encounter with their boiler, and thankfully one of the easiest to resolve. Boilers can naturally lose pressure and it is not something to worry about, if your pressure is low and it’s causing your boiler to cease working, you can fix it quickly and easily.

There should be a gauge on the front of your boiler that will tell you the pressure, the general standard is around 1.5, this is what you would like to aim for, however, you can do some research to find out the specific pressure for your boiler brand, to ensure that it is correct. Generally, there will be valves that you can open to change the pressure, you must do this when the boiler is turned off. We would advise that you check your manual and research your specific boiler to find out how to amend the pressure. It is usually an easy task and accessible by most, but if you are not 100% confident, we would definitely recommend getting in touch with an engineer, to make sure that the job is done safely.

Make sure your boiler is switched on

We don’t want to patronise anybody here as this seems overly simple, but many people have encountered this problem. Whether it is due to a power cut, or it has simply been done by accident, sometimes people’s boilers are turned off, and naturally, they think that it’s broken. Before you call out an engineer, save yourself the awkward conversation and check that your boiler is turned on. Check on the system itself and also check the mains, you may think that there’s no way it’s turned off, but you never know!

Check the pilot light

To work correctly, your boiler requires the pilot light to be on at all times, to burn the gas, it is essentially just a small flame in your boiler. Unfortunately, it is possible for the pilot light to go off, possibly due to a draft, or just naturally. In some boilers you are able to see the pilot light in a small gap in the front of the boiler, so you can check if it is burning, if not, you should be able to look up your boiler system and find out how to check this. If it turns out that your pilot light is out, you should try resetting your boiler, which should hopefully resolve the issue. If this does not resolve your problem, then you should contact a GasSafe Engineer, who will be able to assist you in figuring out the problem.

Ensure external pipes aren’t frozen in the winter

Your condensate pipe will generally run from your boiler to outside your house, it is in place to get rid of any excess liquid caused by condensation, hence the name. Due to the fact that they have water running in them and they are outdoors, there is always a chance that they will freeze in the winter. A frozen condensate pipe can cause your boiler to stop working, so it is always worth checking if the pipe is frozen before you get in touch with a professional.

Could it be your thermostat?

Now, although it may seem like it’s always a problem with your boiler, as they generally have been in the above paragraphs, there’s also a chance that you have a faulty thermostat, that isn’t making your boiler react as you’d please. If you believe that the boiler is working fine and the problem is the thermostat there are some things that you can do to try and solve the problem. You can change the batteries or change it (if applicable), check the WiFi connection if you have a smart thermostat, and finally, check over all of the settings to ensure that it is configured in the way that you want it to be. If these things do not fix your issue, then it may be a more advanced problem with your boiler that you will need an engineer to fix, so contact one right away.

So now you have a list of potential problems to look out for, with some quick and easy fixes if you encounter them. However, it is important to remember that your boiler can be dangerous if not treated properly, so if you are ever unsure about something, take the safe option and contact a professional to help you.

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