boiler breakdowns

F28 fault code on Vaillant ecotec boilers

F28 fault code (F.28) – Vaillant Ecotec Boilers

The F28 fault code references a boiler lockout. It happens when the boiler cannot detect a flame inside the boiler. The boiler will attempt to light 3 times. If it detects no gas, the boiler will display this code until it is manually reset. This blog explains what is wrong and how to fix the […]

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a woman checking her radiator thermostat because her heating is on but the radiator is cold

My Heating Is On But The Radiators Are Cold – What’s Wrong?

The heating is on but the radiators are cold is a common breakdown callout that engineers visit. Suddenly, your cosy home is without heat, but you have done all the things you are supposed to do. The heating programmer is calling for heat, your app is up-to-date and signalling your room thermostat, and the boiler

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An engineer setting up a Powerflushing machine in order to cleanse a central heating system

Powerflushing: Fighting the Cause and Effects of Sludge

The invention of the powerflushing system has been vital in the battle against sludge in central heating systems. Sludge, which is an iron oxide, is a buildup caused by the reaction between the steel in the radiators and heated water when pumped through the system. The sludge settles in the radiators and causes blockages, resulting

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