Caleffi 502720A Air Vent 1/4 Inch Npt W/Chk Valve

Caleffi 502720A Air Vent W/Check Valve 1/4" NPT is an automatic air removal component used in a hydraulic piping system, to release trapped air from the fluid circuit. It is designed with a built-in check mechanism that allow air while preventing fluid loss during operation. It is applied in HVAC systems, within heating, and chilled water loop to improve circulation efficiency and reduce air-related flow restrictions. It is installed at high point in piping equipment where, air accumulation is likely, supporting stable flow condition and consistent system performance during operation.