Sludge, rust and limescale causes leaks and blocked pipes. Dirty water in your pipes causes heating problems and reduces efficiency.
Cold spots on your radiator
Sludge build-up causes cold spots in your radiators. This means they have to work harder to heat a room and you waste more energy.
A clogged boiler and pump causes breakdowns. 87% of boiler breakdowns are due to dirty water in your heating system.