Ensure your central heating system operates efficiently with the Fernox Sentinel Central Heating Radiator Dosing Tool Funnel. This essential tool, crafted from durable plastic, is designed for easy addition of inhibitors to your radiator system, thus preventing the buildup of limescale and other debris that can cause corrosion and inefficiencies. The funnel is a singular unit, compatible with various inhibitor brands, and its straightforward design allows for quick and mess-free dosing. By incorporating this essential item into your home maintenance routine, you can prolong the lifespan of your heating system and maintain optimal performance.