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Boiler help & advice

Expert guides and advice to help you make informed decisions.

Worcester Boiler Flashing Blue Light No Error Code

25th July, 2025

Guides

Worcester Boiler Flashing Blue Light...

Boiler error codes serve as essential diagnostics tools that help identify specific issues within your Worcester Bosch boiler.

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Stephen Day

Gas Safe Engineer

Why Is My Boiler Whistling?

25th July, 2025

Guides

Why Is My Boiler Whistling?

The persistent whistling from your boiler is more than just a nuisance; it signals underlying problems. Addressing these noises promptly can safeguard...

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Stephen Day

Gas Safe Engineer

Vaillant F62 Fault Code

25th July, 2025

Guides

Vaillant F62 Fault Code

Error codes on boilers can be a confusing and frustrating topic, here at iHeat we want to make everything about boilers as straightforward as possible...

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Stephen Day

Gas Safe Engineer

Ideal F3 Error Code - How To Fix

25th July, 2025

Guides

Ideal F3 Error Code - How To Fix

The Ideal F3 error code is a common issue that can cause your boiler to shut down unexpectedly. Our guide explains the common causes of the F3 error c...

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Stephen Day

Gas Safe Engineer

Glow Worm F1 Fault

25th July, 2025

Guides

Glow Worm F1 Fault

Boiler error codes are critical indicators for diagnosing heating system issues. They serve as the first hint of potential problems within the boiler.

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Stephen Day

Gas Safe Engineer

Oil Boiler Not Firing Up - Common Causes and fixes

09th July, 2025

Guides

Oil Boiler Not Firing Up - Common Ca...

An oil boiler often refuses to start due to common issues like empty oil tanks, power supply problems, or simple blockages.

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Stephen Day

Gas Safe Engineer

Ignition Lockout on Boiler

18th June, 2025

Guides

Ignition Lockout on Boiler

A boiler lockout occurs when a boiler detects a fault and shuts down to prevent further issues. This is a safety feature designed to protect the syste...

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Stephen Day

Gas Safe Engineer

Why Is My Radiator Cold At The Bottom?

12th June, 2025

Advice

Why Is My Radiator Cold At The Botto...

If you find your radiator cold at the bottom, it could mean that there is an issue with your central heating system.

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Stephen Day

Gas Safe Engineer

How to Power Your Boiler with Solar Panels

10th June, 2025

Advice

How to Power Your Boiler with Solar...

As more and more people become conscious of their impact on the environment and the ban on the sale of new gas and oil boilers in new homes comes into...

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Stephen Day

Gas Safe Engineer

How to Increase Pressure on Worcester Bosch Boiler Without Key

09th June, 2025

Guides

How to Increase Pressure on Worceste...

A Worcester Bosch boiler is a complex machine with many components working together to heat your home efficiently and safely.

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Stephen Day

Gas Safe Engineer

No Water Coming Out Of Hot Tap (Combi Boiler)

05th June, 2025

Guides

No Water Coming Out Of Hot Tap (Comb...

Addressing the lack of hot water from a tap usually starts with understanding how a combi boiler operates.

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Stephen Day

Gas Safe Engineer

What Should Boiler Pressure Be When Heating is Off?

05th June, 2025

Guides

What Should Boiler Pressure Be When...

The efficiency and safety of a home's heating system hinge on maintaining the correct boiler pressure. It's a key factor that homeowners need to monit...

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Stephen Day

Gas Safe Engineer