فتحة تهوية مضخة الدوران من غروندفوس (Grundfos) من دي ديتريش (De Dietrich) 7693813

Designed to release trapped air from the system, this Grundfos circulation pump vent is an essential component for maintaining efficient heating operation. Air pockets can reduce pump performance and cause noise, so regular venting helps ensure smooth water flow and extends the life of your boiler. Suitable for use with compatible Grundfos pumps, this vent is a practical spare part for heating engineers and homeowners performing routine boiler maintenance.