Unless hard water in your heating system is treated, it scales up the boiler heat exchanger's pipe work and emersion heating elements. The consequence is that water channels are narrowed, energy is lost and storage tanks lose their capacity to hold and store hot water efficiently.

With modern Combination and Condensing Boilers and Thermo stores, the scale build up can dramatically shorten the service life of the heating system, using more energy than necessary to heat the home and hot water.

The Aqua-Dial Combi-Care uses Polyphosphate in a dilute form and acts as a sequester preventing precipitation of calcium scale as well as offering a level of protection against corrosion and the leaching of lead.

The polyphosphates forms bonds with the scale causing minerals, which make them more water-soluble. The hard minerals remain in the solution, as opposed to depositing scale on heat exchangers pipe work.