Combimate installed on pipework

Cutting limescale saves money and boosts boiler efficiency, says Cistermiser

Build-up of limescale could cause a 12% drop in boiler efficiency, according to British Water, costing an extra £139.05 per year in gas on average.

Reducing limescale by using Combimate, homeowners can achieve a payback period in as little as two years, making it a highly cost-effective solution, says its manufacturer Cistermiser. Over a 10-year period, that could add up to a saving of more than £800, after installation and annual maintenance costs.

Environmentally, a 12% reduction in boiler efficiency results in an additional 0.5 tonnes of CO2 emissions per year as the boiler works harder, for longer.

Combimate is designed for easy installation in domestic water systems. It works by dispensing a small dose of polyphosphate into the water, which prevents the formation of limescale.

Cistermiser’s managing director Richard Braid says: “Our research shows that limescale not only affects the efficiency of heating systems but also highlights the unnecessary yet significant financial and environmental costs on homeowners.”

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