Wall-mounted water treatment unit constructed from high-quality cast brass. Utilises 3-phase technology to stabilise limescale without the loss of minerals, and provide chemical-free protection against water hardness, limescale and corrosion in pipes and valves. Ready to plug in and online 24 hours a day, with fully automatic operation for minimal maintenance and low energy costs. Consists of integrated backflow preventer, flow sensor, screw connector and element (1" thread) and screw-in control unit with mains connection. Ideal for use with modern heating units with built-in storage and pumps. Refill cartridge included. Recommended for use with BWT E1 Single-Lever Filter (sold separately), to help optimise performance of the system and prevent dust particles such as rust and sand from entering the domestic water system. Fittings Supplied 1 Year Guarantee Easy to Operate Online 24 Hours a Day Refill Cartridge Included Fittings Supplied 1 Year Guarantee Easy to Operate Online 24 Hour...