Specifically designed for existing systems Sentinel Rapid-Dose™ X400 Sludge Remover is a non-acid treatment for cleaning older heating systems, restoring circulation to radiators and pipework. A ruthlessly efficient way to eliminate the build-up of magnetite sludge, Rapid-Dose™ X400 is the quick and easy way to eliminate cold spots and restore full heat emission.
-Restores systems with circulation problems
-Eliminates radiator cold spots
-Can be used in all systems
-Prepares existing systems for the installation of new boilers, pumps or panels
-Does not cause pin-holing or leaks