Top 5 reasons boilers break down in winter & how to prevent them

Keep your boiler running this winter

Winter is the most common time for boilers to break down, leaving homeowners without heat when they need it most. At Go Assist, we specialise in keeping your home warm and your boiler running smoothly all year round. Understanding the reasons boilers fail can help you prevent these breakdowns and avoid costly repairs. Here are the top five reasons your boiler might fail this winter, and how to stop them in their tracks.

1. Frozen condensate pipe

In freezing temperatures, the condensate pipe - responsible for expelling excess water from your boiler - can freeze and become blocked. When this happens, your boiler may shut down as a safety precaution.

How to prevent it: Insulating the condensate pipe or ensuring it has been properly installed with the correct slope can help prevent freezing. If it does freeze, safely thawing it with warm water could solve the issue, but calling a professional is the safest option.

2. Low Boiler pressure 

Boiler pressure can drop for a variety of reasons, such as leaks in the system, bleeding radiators, or general wear and tear. When the pressure is too low, your boiler won’t function efficiently, and it may even shut down.

How to prevent it: Regularly check your boiler’s pressure gauge. If it’s below the recommended level (typically 1-1.5 bars), it may need repressurising. Always refer to the manufacturer’s instructions or contact an engineer to safely increase the pressure.

3. Thermostat issues

Thermostats can become inaccurate over time or malfunction, causing your boiler to either overheat or not heat at all. This can be especially common in older models.

How to prevent it: Consider upgrading to a smart thermostat, which allows for better temperature regulation and energy efficiency. For existing thermostats, regular calibration and battery checks can help avoid breakdowns.

4. Faulty circulating pump

The circulating pump ensures hot water flows from the boiler to your radiators and taps. In winter, these pumps work harder and may become worn out or blocked, leading to uneven heating or no heat at all.

How to prevent it: Have your boiler serviced regularly to ensure the pump is in good condition. A well-maintained pump will perform better and last longer, reducing the chances of a winter breakdown. Call us on 0333 733 1234 to book your boiler service in today!

5. Pilot light problems 

For older boilers, the pilot light can be prone to going out, especially in cold conditions.

How to prevent it: If your pilot light goes out frequently, it could indicate a larger issue. It’s best to have a professional inspect and repair it to avoid further problems.

 

Stay warm this winter

Boiler breakdowns during the coldest months of the year are inconvenient, but many of these issues can be prevented with regular maintenance and timely repairs. If your boiler has any signs of trouble, don’t wait for it to fail. At Go Assist, we provide quick and affordable boiler repairs to keep your home warm and cosy all winter long. Our experienced engineers are ready to assist you with same and next-day service across the UK. 

 

 

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