The Combi-Flo is a polyphosphate
dosing system. The accurate dose of phosphate
acts as a sequester and prevents percipitation
of calcium scale and also offers a level of protection
against corrosion and the leaching of lead. Once
conditioned by the Combi-Flo, limescale simply
passes through a domestic hot water system without
sticking to the heat exchange surfaces.
When used in a hard water area, the Combi-Flo
can extend the life of household hot water appliances
such as shower units, hot water cylinders or central
heating boilers.
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