Suitable for domestic and commercial properties. Provides whole house protection from limescale Minimum working temperature: 3 Celsius. Maximum working temperature: Cold feed only Simple to install. Requires no mains power supply. Robust, corrosion-resistant compact design Two, Easy Grip Spanner Flats to make installation easier 10-year warranty Part L Building Regulation compliant WRAS approved Manufacturer Stock Code:SR1-03-05233 EAN Code:5060106373779 Sub-Category:Scale Reducers Brand:Adey Range:Electroscale Category:Water Treatment Type:Electrolytic