Diagram of the power-flushing unit attached to the central heating circuit.  Walsh Boiler Replacement and Repairs, Waterford use a purpose-designed power flushing unit with an attached Magnaclean module, to prevent sludge from re-entering the system

Diagram of the power-flushing unit attached to the central heating circuit. Walsh Boiler Replacement and Repairs, Waterford use a purpose-designed power flushing unit with an attached Magnaclean module, to prevent sludge from re-entering the system