Caleffi MINICAL Automatic Air Vent w/ Hygroscopic Safety Air Vent Cap (1/2" NPT)

Specifications Brass Body Max working pressure: 150 psi Max discharge pressure: 60 psi Max working temp: 250°F 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