Watts 0590722 1/2" Automatic Air Vent Brass Valve 150 PSI 240°F

The Watts 0590722 1/2” Automatic Air Vent is an essential and useful part of many different kinds of HVAC systems. This brass valve effectively releases air that may be trapped within the piping systems and loss of efficiency, noise, or damage to the equipment. It works automatically, expelling the built-in air and at the same time, it has a tight seal against water. This vent is suitable for heating and cooling systems, hydronic systems, and solar thermal applications and has many advantages such as better performance, energy efficiency, longer equipment life, and overall improved system reliability and efficiency.