Caleffi 1/2" Male NPT AirVent Automatic High Capacity Air Vent

Function Automatic air vents are designed to remove trapped air that accumulates in heating and air conditioning systems automatically. Air removal enhances performance and life of a system by reducing the affects of: corrosion due to the oxygen pockets of air trapped in the heating emitters cavitation in the circulation pumps Features Operating mechanism The air is vented by means of a stem mechanism protected against debris from outside. Chamber The height of the chamber for float movement is designed to collect high air volumes from water. Hygroscopic cap A safety hygroscopic cap automatically closes the air discharge in case of contact with water. Specifications Brass Body Max working pressure: 150 psi Max discharge pressure: 60 psi Max working temp: 250°F