Raccord de ventilateur à venturi à joint torique De Dietrich JJJ137307264

The O-ring venturi fan connection is a small yet critical seal for preventing air leaks in burner assemblies. This rubber gasket ensures a tight fit between the venturi and fan, maintaining proper air-fuel mixture and combustion efficiency. Commonly needed during boiler spare parts replacement or repair of gas burner parts, it helps restore system integrity and performance. A simple but essential component for heating equipment maintenance.