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Boiler help & advice

Expert guides and advice to help you make informed decisions.

What Type of Boiler Do I Have?

20th May, 2026

Advice

What Type of Boiler Do I Have?

Despite over 22 million UK homes having gas central heating, a great deal of homeowners are unsure about which type of boiler they have installed in t...

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Stephen Day

Gas Safe Engineer

What Size Combi Boiler Do I Need?

20th May, 2026

Advice

What Size Combi Boiler Do I Need?

Find out whether the size of your combi boiler will make any difference to its capabilities.

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Stephen Day

Gas Safe Engineer

What Should Boiler Pressure Be When Heating is Off?

20th May, 2026

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

What is Central Heating Sludge?

20th May, 2026

Guides

What is Central Heating Sludge?

Sludge in a central heating system is a mix of dirt, rust, and limescale. Over time, these particles form a thick, muddy substance. This can gather in...

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Stephen Day

Gas Safe Engineer

What is Boiler Renting/Subscription?

20th May, 2026

Guides

What is Boiler Renting/Subscription?

Boiler renting, often regarded as a boiler subscription service, has emerged as a vital alternative to the traditional outright purchase of heating sy...

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Stephen Day

Gas Safe Engineer

What Is An Expansion Vessel?

20th May, 2026

Guides

What Is An Expansion Vessel?

An expansion vessel is an essential component of a modern boiler system, serving a pivotal role in maintaining pressure levels within central heating...

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Stephen Day

Gas Safe Engineer

What is a Thermocouple?

20th May, 2026

Guides

What is a Thermocouple?

A thermocouple is a critical component in a boiler system. It acts as a safety device, ensuring the system runs smoothly and efficiently. Thermocouple...

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Stephen Day

Gas Safe Engineer

What Is A System Boiler?

20th May, 2026

Advice

What Is A System Boiler?

The best boiler for your home will be one that can meet the demands for hot water and central heating within the household.

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Stephen Day

Gas Safe Engineer

What Is A Powerflush?

20th May, 2026

Advice

What Is A Powerflush?

A powerflush is a kind of cleaning process for your central heating system that can remove any dirt or debris, such as rust or sludge, from the pipewo...

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Stephen Day

Gas Safe Engineer

What is a Low Loss Header?

20th May, 2026

Guides

What is a Low Loss Header?

A low loss header is an essential part of a heating system. It acts as a bridge between the primary circuit of a boiler and the secondary circuits. Th...

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Stephen Day

Gas Safe Engineer

What is a Heat Exchanger?

20th May, 2026

Guides

What is a Heat Exchanger?

Heat exchangers are pivotal devices within a boiler system, playing a crucial role in transferring heat.

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Stephen Day

Gas Safe Engineer

What is a CP12 Landlord Gas Safety Certificate?

20th May, 2026

Advice

What is a CP12 Landlord Gas Safety C...

If you're a landlord, you may have heard of a CP12 - but what exactly is it? Let us explain...

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Stephen Day

Gas Safe Engineer