Boiler Guides

 The egg timer on a Vaillant boiler simply tells you the boiler is in a short waiting period before it fires up again. This built-in feature keeps your heating system…

If your combi boiler hot water suddenly goes cold, it happens because the diverter valve fails to switch the flow properly, limescale builds up inside the heat exchanger and stops…

The Worcester boiler EA error code appears when your boiler tries to ignite but cannot detect a flame. This safety feature shuts everything down to prevent gas from flowing without…

The e1 boiler error code is one of the most frequent faults that homeowners and landlords see on their central heating systems. It appears when the water pressure inside the…

Choosing the right combi boiler matters more than most people realise until they’ve chosen the wrong one. A good combi does two jobs simultaneously — heating your home and delivering…

Most homeowners only notice their boiler pressure when something’s already gone wrong. If the gauge is sitting higher than it should be, you’re right to take notice — but in…

The Baxi Duo-tec 28 is a 28kW gas combi that suits homes with one bathroom and around 10 to 15 radiators. It’s an A-rated condensing boiler with an 11.5 litre…

The Baxi Megaflo System is a range of wall-hung gas system boilers that work with a hot water cylinder. They suit homes with two or more bathrooms and high hot…

The Vokera Evolve 42C is a 42kW gas condensing combi and the largest combi in Vokera’s Evolve range. It was built for bigger homes with two bathrooms, where a smaller…

An A-rated boiler is a high-efficiency condensing boiler that converts 90% or more of the fuel it burns into usable heat for your home, making it the most energy-efficient type…