CENTRAL HEATING RADIATOR VALVES. BEING FILLING VALVES MADE OF RED BRASS FOR HEATING SYSTEMS. HAS A STAINLESS STEEL FILTER INSERT. IS TO BE INSTALLED IN THE FEED LINE TO PREVENT DAMAGE FROM EXCESS PRESSURE DURING THE FILLING OF CLOSED -CIRCUIT HEATING SYSTEMS.

CLASSIFICATION IS DETERMINED ACCORDING TO GIRS 1 AND 6 AS WELL AS THE TEXT OF HEADINGS 848180 39.