Adey MC4+ Rapide Internal Leak Sealer 300ml Suitable for all heating systems High-performance leak sealer Reduces pressure loss on sealed systems No blocked pumps, valves or air vents Quick-dose bottle for speedier injection takes as little as 20 seconds Versatile dosing options via the radiator, air vent or boiler Due to geographical locations we are unable to deliver to: Isle of Wight, Isle of Man and Ireland.
