Help & advice

Vaillant F75 Fault/Error Code - Causes & Fixes
Vaillant got an F75 code? It isn't a winning Wonka bar. Here's what F75 means, and how to fix.

Vaillant F75 Fault/Error Code - Causes & Fixes
Vaillant got an F75 code? It isn't a winning Wonka bar. Here's what F75 means, and how to fix.

Vaillant F83 Fault Code (ecoTEC): Causes & Fixes
If your Vaillant boiler is showing F83, it’s basically telling you: the boiler fired up, but it didn’t see the temperature change it expected.

Heatable vs Boxt: How to Choose the Right Online Boiler Installer
If you’re comparing Heatable vs BOXT*, you’re already doing the smart thing: putting two online-first installers side by side, instead of getting dragged into the traditional quote circus.

Most Reliable Combi Boilers in 2026: Top Picks for Longevity
Here we review the UK’s most reliable combi boilers and explain why each one made the cut. From efficiency to durability, we highlight what sets these top boilers apart, helping you find the perfect fit for your home heating needs.

Viessmann vs. Worcester Bosch Boilers (2026 Comparison)
It's the burning question on every savvy boiler buyer's lips. Ruthless German engineering, or belting boilers from a brand as big as Bosch? Here, we drill down in to the positives, the negatives and give our verdict.

Keston Boiler Prices, Reviews & Performance 2026
Now a part of Ideal Heating, Keston still have a unique offering of new boilers, but how do they compare with the competition?

When To Replace Your Boiler
Wondering when to replace a boiler? Nobody wants to buy boiler. But, if it's losing pressure or making more noise, a replacement may be the only option.

What temperature should my boiler be set at for hot water in the UK?
If your shower goes from arctic blast to volcano in 0.2 seconds, your boiler’s hot water temperature is probably set a bit… enthusiastic.

Vaillant F61 Fault Code: Meaning, Causes & Fixes
Brr! It’s a proper chilly morning, and just when you’re ready for a hot cuppa and a warm shower, your Vaillant boiler flashes the F61 fault code. No heating, no hot water, and a whole lot of “oh no!”

Vaillant F29 Fault Code: meaning, causes & fixes
Googling your Vaillant F29 fault? Welcome to the twilight of your life. Nothing fun will ever happen to you again.

Vaillant F22 fault code: meaning, causes & how to fix
A Vaillant F22 fault code means your boiler has low water pressure (not enough water in the heating system), so it shuts down to protect itself.

Vaillant F28 Fault Code: Meaning, Causes & Fixes
And you thought 27 was bad. Welcome to the emporium of Vaillant F28. Let's explain this fault, and who's at fault.