The Dosy-Phos-1 polyphosphate doser is used to treat the water in the heating circuit by adding polyphosphate via a venturi system, preventing the formation of limescale deposits and ensuring the longevity of your system, preserving the pipes and mechanical parts and maintaining the original conditions of hot water production and heat exchange unaltered.

This small-sized dispenser is complete with a 50 g replacement cartridge , in boiler powder, and is square in brass with bypass ; suitable for both horizontal and vertical pipe systems and is suitable for use on boilers of max 50 kW .