About Dutypoint

Water Hardness Checker

Water hardness postcode checker

Input your postcode or the postcode of the installation area. We’ll let you know the water hardness in that area and if a ProtectoSAN® is required

In areas where limescale exceeds 200ppm, the Compliance Guide to Part L of the UK Building Regulations recommends adopting limescale control measures such as an electrolytic device.

ProtectoSAN®

Take control of limescale with Dutypoint’s proven commercial electrolytic limescale inhibitor, ProtectoSAN®