22MM SESI SENTINEL / SALAMANDER ELECTROLYTIC SCALE INHIBITOR
The Sentinel SESI is an electrolytic scale inhibitor that can provide a cost-effective solution to help tackle limescale build-up.It provides a long term solution which protects the whole house, without introducing any unwanted chemicals to drinking water, and can save up to £100 a year on energy bills.
Due to its sleek design, the SESI is easy to fit.Requiring no maintenance, this inhibitor helps to protect appliances and water systems throughout the house without the use of chemicals that could affect drinking water.