Internal cleaning of heat transfer fluid circuits

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Solar tar remover

DUONETT® D7 is a descaling liquid for industrial use, intended for removing limescale and limestone, and eliminating sludge and rust deposits from water pipes.

It can be used in heat exchangers (condensers, water evaporators), boilers, water pipelines, and also cooling towers.

For removing limescale and deoxidising metallic surfaces in heat transfer fluid circuits. 

Eliminates metallic oxides and non-encrusted stains in heat transfer systems.

For cleaning circuits that have previously contained refrigerants, prior to the use of a heat transfer fluid as a secondary refrigerant.