SCA-RE- McAlpine - Scale Defender - Refill Cartridge (2 pack)

Limescale affects your pipework, boiler, radiators, taps, appliances and fittings and can lead to increased repairs or early replacement costs. McAlpine Scale Defender can save hundreds of pounds as it keeps your heating system more efficient and helps prolong the life of pipes, fittings and applicances. A 1mm layer of limescale in your boiler can amount to an extra 150 to 200 in household bills every year This product is approved and manufactured in accordance with recognised European Standards, all materials used comply with the international standards for drinking water (British Standard BS EN1212 and European NEN-EN 1212). Please ensure that your system is fitted in accordance with Local Water Byelaws. The dosing system head contains a non return valve to prevent back flow into the cold supply. The system should only be fitted to a microbiologically safe water source.