Scale build up in domestic condensing combination boiler hot water heat exchangers can seriously reduce efficiency & flow of hot water through the boiler. In severe cases the water will stop flowing altogether or the boiler will not function resulting in no hot water.

The example below shows a domestic hot water heat exchanger with and without scale.

Heat Exchanger Scale
Heat Exchanger Scale

If you live in a hard water area & do not have adequate protection on your combination boiler’s cold water inlet, its quite likely scale will start to from in your heat exchanger just like the example above.

The good news is there are solutions to prevent scale build up inside boilers so call Samsian Ltd today on 01732 885882 or use our quick contact form for more information on what can be done.