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|These automatic air vents eliminate residual air in heating and air conditioning systems without the need for manual intervention|This prevents undesired noise, wear of devices in the circuits and inefficient performance of heating units|90 psi max discharge pressure|1.75 scfm max discharge rate
Caleffi Automatic Air Vent, Series: 5027, 1/8 in Nominal, MNPT, 150 psi Working, 240 deg F, Brass, 1-9/16 in Dia x 4 in H