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Advice

Expert guides and advice to help you make informed decisions.

How Much Does a Boiler Power Flush Cost?

25th June, 2026

Advice

How Much Does a Boiler Power Flush C...

A boiler power flush usually costs between £300 and £700, depending on the size and condition of your heating system.

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Stephen Day

Gas Safe Engineer

Boiler Pressure Too High: What It Means and How to Fix It

22nd June, 2026

Advice

Boiler Pressure Too High: What It Me...

High boiler pressure is usually anything above 2.5 bar on the pressure gauge when the heating is on.

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Stephen Day

Gas Safe Engineer

Boiler Losing Pressure: Causes, Fixes & What To Do Next

19th June, 2026

Advice

Boiler Losing Pressure: Causes, Fixe...

Repeated pressure loss usually points to a leak, faulty component, or another issue within the heating system.

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Stephen Day

Gas Safe Engineer

Boiler Not Working? Most Common Problems (And Fixes)

16th June, 2026

Advice

Boiler Not Working? Most Common Prob...

A complete guide to getting that boiler working again and some common fault codes and how to fix.

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Stephen Day

Gas Safe Engineer

What Size Combi Boiler Do I Need?

11th June, 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

7 Tips To Reduce Your Energy Bills

21st May, 2026

Advice

7 Tips To Reduce Your Energy Bills

If your boiler is over 10 years old, it may be time to upgrade to a newer, more efficient model.

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Stephen Day

Gas Safe Engineer

How to Fix a Faulty Heat Exchanger

21st May, 2026

Advice

How to Fix a Faulty Heat Exchanger

In this guide, we’re going to be explaining what a heat exchanger is, some common causes for problems and how to fix them.

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Stephen Day

Gas Safe Engineer

Which Boiler is Best for an Apartment or Flat?

21st May, 2026

Advice

Which Boiler is Best for an Apartmen...

When your old boiler breaks down and it comes time to replace it with a new one, it may seem difficult to select the right one for your home, particul...

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Stephen Day

Gas Safe Engineer

Boiler Pilot Light Won't Stay Lit

21st May, 2026

Advice

Boiler Pilot Light Won't Stay Lit

If you own an older boiler, you might be familiar with the pilot light. The pilot light is an essential part of the boiler system flame that is respon...

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Stephen Day

Gas Safe Engineer

Boiler Not Responding To Thermostat

21st May, 2026

Advice

Boiler Not Responding To Thermostat

When your boiler isn’t responding to its thermostat, or vice versa, it can be tricky to identify the problem.

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Stephen Day

Gas Safe Engineer

What Happens After Your Boiler is Installed By iHeat?

21st May, 2026

Advice

What Happens After Your Boiler is In...

In this guide, we’ll be answering some of the most frequently asked questions about what happens after your new boiler installation.

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Stephen Day

Gas Safe Engineer

Which Boiler Brands Do iHeat Stock?

20th May, 2026

Advice

Which Boiler Brands Do iHeat Stock?

At iHeat we want our customers to receive only the best boilers available, that’s why we stock an eclectic range of models from industry big hitters a...

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Stephen Day

Gas Safe Engineer