Five common boiler problems – and how to fix them and save £100s

When temperatures plummet, that’s the worst time for your boiler to fail – but if it does, here are five ways to fix the most common problems.

Households will be destroyed by nine days of frost, snow and wind From Tuesday this week, it is certain to see families reaching for the thermostat.

We explain what the five most common boiler problems are and how to fix them


We explain what the five most common boiler problems are and how to fix themCredit: Getty

But there are some boiler problems you’re more likely to face – you’ll want to learn how to fix them to avoid being left in the cold.

However, it is important that you get a registered engineer to sort out your boiler in many such cases and not try to do it yourself.

Otherwise, you could make matters worse or hurt yourself in the process.

As a result, these boiler fixes can save you hundreds of units.

For example, bleeding your water and putting in proper insulation can reduce your money from the bill because households are faced with price increase.

Some problems you can even fix yourself – helping you avoid any costs you might incur taking an engineer out.

Here are five common boiler problems to know about.

Boiler off

If your boiler keeps shutting down, it means your boiler has low pressure.

When this happens, the system can often stop working for safety reasons.

Fix – refine the filling loop

You can try to fix the problem yourself by adjusting the feed loop on your boiler, says British Gas service and repair engineer Joanna Flowers.

The fill ring is the pipe that connects your central heating system to the water supply and is usually found under the sink or in the cabinet under or near the boiler.

To do this, turn off your boiler and let it cool – and check both ends of the intake ring or are fastened.

Open both valves to allow cold water to enter the system and wait for the pressure gauge to read 1.5 bar.

Then close the valves and turn the boiler back on – you may need to press the reset button to do this.

“If your boiler continues to depressurize, it could indicate a pipe leak in the system,” says Ms. Flowers. “An engineer will need to check this for you.”

Noisy boiler

Is your boiler a bit like a racket? It could mean there is too much air in the system.

If your boiler is vibrating, pounding, gurgling, or squealing, you’ll want to check for low water pressure or a pump failure problem.

You should not ignore it as it could be an error.

Fix – adjust settings and radiator melt

Adjust the settings on your boiler to see if the problem can be fixed.

Your boiler settings will vary depending on the type and what you have – make sure to check your manual to see if your problem is listed and what settings you should be trying to adjust. troubleshoot.

However, you may find that the “pilot light” – used to ignite the gas inside your boiler – has lit up a different color and you may notice your boiler is making unusual noises .

You will need to call an engineer when you see this, Ms. Flowers said.

However, if you smell gas or notice any other signs, such as a change in the color of the flame or black marks on – or around – the boiler, do not attempt to reactivate the lights yourself. drive.

“Turn off the boiler and turn on the emergency gas line 0800 111 999. And if your pilot light is constantly leaking, have a Gas Safe engineer take a look at it,” she says.

Strange noises from your boiler can also be rectified by melting the radiators.

Air can get trapped inside them, meaning they won’t work as well.

You can follow our step-by-step guide on how to melt your radiator here.

You should do this once a year to make sure you’re not wasting money – not bleeding your radiator could increase your energy bills.

Thermostat “broken”

You might think your thermostat has failed if it doesn’t tell your boiler what to do.

That means if you are trying to turn on or increase the heating mode, it may not work.

Fix – check settings

EDF’s temperature manager Dan Hopcroft may not be damaged – it could be due to human error.

“Check your thermostat – sometimes, an accidental knock can turn off or change your thermostat’s settings.”

But if that doesn’t fix the problem, you may have to call in an engineer.

Mr Hopcroft added: “If your thermostat settings look fine, but the temperature doesn’t, it may be time to replace your thermostat.

Leaking boiler

Detecting leaks in any of your devices is usually a sign that something is wrong.

If you find one from your boiler, it could indicate a number of things – including low pressure, or it could be old and worn.

It could also be due to a faulty part in the boiler, such as a seal or valve.

Fix – call engineer

For this, you will need an engineer to inspect your entire boiler.

Most likely they will have to open the boiler to check for any abnormalities inside that are causing the leak.

What? Home products and services editor Lisa Barber says: “You should never attempt to repair any work that involves removing a boiler cover, involving electricity or gas supplies, and Gauges.

“This is dangerous and also voids any warranty you may have left on the boiler.”

Frozen tube

You’ll want to check your pipes during cold spells to avoid seeing your boiler pack up.

As temperatures drop, the condensate pipe – draining excess water from your boiler – can freeze.

This can lead to your boiler shutting down – and leaving you without heater or hot water.

Fix – defrost and cover

To avoid it freezing in the first place, which one? It is recommended to place foam around the condensate line.

The insulation will help protect it from drastic temperature drops, reducing the chance of your heating system shutting down.

However, if it’s too late and your pipes have frozen, Mr. Hopcroft says you can defrost yourself.

“There are tutorials online that show you how to defrost condensate pipes safely,” he says.

“If you’re not completely confident doing this yourself, you should call a registered engineer to defrost your condenser piping.”

We explain why Energy prices are rising – and what it means to you.

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And bill can increase even more – here’s why.

Martin Lewis reveals how households will pay 40% more on higher energy bills next year

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Bobby Allyn

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