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Boiler Overheating?
Causes, Signs & How to Fix It

An overheating boiler is potentially a big risk. Thankfully all modern boilers are equipped with safety features to shut the boiler down, as soon as any boiler overheating begins to take place. It is essential to recognise any signs of your boiler overheating, before further issues occur, taking prompt action to fix the issue and to prevent breakdowns. If your boiler installation starts to play up or make strange noises, contact us and our expert Gas Safe registered heating engineers. We will attend your property and inspect any boiler.

Why Do Boilers Overheat?

There can be several issues as to the cause of boiler overheating, but the most common is a build up of sludge, debris and magnetite in your central heating system. This then gets into your heat exchanger causing it to partially block, or getting into parts in the boiler installation such as the pump, causing poor circulation throughout the heating circuit. Faulty Heat Exchanger On A Boiler.

Risks of a Boiler Overheating
A boiler overheating can lead to bigger issues with the parts within the boiler. Modern energy efficient boilers are designed to lock out at any signs of overheating. This is why an annual boiler service is hugely important to make sure all safety devices on the boiler are working correctly.
Signs of a Boiler Overheating
If the boiler overheats it will typically lock out then display an error code which will identify what is failing on the boiler. If you ignore these issues it can lead to safety issues.
Common Causes of Boiler Overheating

If left unaddressed, an overheating boiler poses a risk to your property and its occupants. Common causes include:

How to Fix an Overheating Boiler
You will require a professional fully Gas Safe registered heating engineer to fix a boiler from overheating issues. If you are having any type of replacement boiler part fitted, or boiler service, it must be by fully trained Gas Safe registered heating engineers like AWP Boiler Installations.
Preventing Boiler Overheating

It is essential to act fast if you suspect boiler overheating, or it can become extremely costly in boiler repairs. The addition of a magnetic filter to the central heating system is an excellent choice as the sludge and magnetite in the central heating system attaches to the magnetic filter. Yearly, on your annual boiler service, you can have the filter checked and cleaned whilst testing the water quality and inhibitor levels in your central heating system. Magnetic Boiler Filters: What Are They & Are They Worth It?

A lime scale reducer on the cold supply can also help, especially if you live in a hard water area. Installing a new boiler with a magnetic filter is a great way to prevent boiler overheating issues from a Worcester Bosch accredited installer.

Get Quotes for a New Boiler
Is it time for a new boiler? AWP Boiler Installations are experts when it comes to replacement boilers. We always install magnetic filters with every boiler installation, whilst power flushing out your central heating system, adding clean water and adequate inhibitor which will expand the lifespan of your new boiler and your central heating system. Contact us today for your free quotation if you are in the areas we cover across the West Midlands.
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