New - Out of the box The Sentinel SESI is an electrolytic scale inhibitor that can provide a cost-effective solution to help tackle limescale build-up, providing an altogether more efficient system. The Sentinel SESI is an in line product, suitable for the whole house, without adding chemicals to drinking water, and can help save money on fuel bills. The electrolytic system helps break down the hardness salts in hard water, inducing coagulation and stopping the limescale from sticking to the system. Due to its compact size, and high quality finish, the Limebeater is ideal for use in restricted spaces, and where the finished installation is visible for the user to see.
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