Clé pour soupape de purge (2 ps) De Dietrich S101178

The key for vent valve is a specialized tool used to manually open or close the vent valve on boilers and heating systems. It allows for easy bleeding of air from the system, which is important for maintaining proper water circulation and preventing airlocks. This tool is a handy addition for boiler maintenance and repair tasks. Its ergonomic design ensures a secure grip and precise operation.