Boiler Guides

If your boiler pump is not working, the most common causes include a seized pump shaft, an airlock in the system, a faulty capacitor, incorrect pump speed settings, or a…

In most cases, a stuck diverter valve is caused by a build-up of limescale or sludge inside the valve, general wear and tear over time, a lack of regular boiler…

A boiler airlock happens when a pocket of air gets trapped inside your central heating system or hot water pipes, stopping water from flowing properly. The most common causes include…

Boiler short cycling happens when your boiler keeps switching on and off repeatedly in short bursts, rather than completing a full heating cycle. The most common causes include low boiler…

The most common Viessmann boiler problems include no hot water or heating, error fault codes appearing on the display, low boiler pressure, strange noises, pilot light issues, boiler lockout, a…

Get a quoteGet A Quote Boilers Heat Pumps Solar & Battery Air Conditioning EV Chargers Insulation Frozen Condensate Pipe? Here’s How to Fix Your Boiler This Winter If your boiler…

If you are thinking about replacing your old boiler and the Ideal Logic Plus 30kW keeps coming up in your research, you are in the right place. In this Ideal…

If you’re comparing Worcester Bosch and Ideal boilers in 2026 and can’t decide which brand to go with, you’re not alone. These two manufacturers consistently top the shortlists of UK…

The most common Ariston boiler error codes include 108 for low water pressure, 101 for overheating, 501 showing no flame detection, and ignition problems like 5P1 or 5P2. These often…

The most common Vokera boiler error codes include A01 for ignition failure, A04 showing low system pressure, A03 for fan problems, and sensor faults like A07 or A09. These often…

The most common Navien boiler error codes include E003 for ignition failure, E001 showing heat exchanger overheating, E012 for flame loss, and E016 for further overheating issues. These often crop…

The most common Worcester boiler error codes include EA for no flame detected, A1 showing pump or circulation issues, E9 for overheating, and C6 for fan problems. These often appear…