Armstrong International D503157 Air and Gas Vent Refrigerant With a maximum operating pressure

With a maximum operating pressure of 450 PSI (standard) or up to 700 PSI for R-410A applications

Its slender body design allows for effortless installation with deep-socket wrenches in tight mechanical spaces

this model is designed for R-22

Johnson Controls T46JEA-1 Fan Coil Thermostat

including the M9000 and pneumatic options

Armstrong International D503157 Air and Gas Vent Refrigerant With a maximum operating pressureThe Armstrong International D503157 Air and Gas Vent is a high performance Series 21AR Cast Iron Fixed Pivot Ball Float designed for the efficient removal of air and gases from pressurized liquid systems. Engineered with a 1 2" NPT connection and a precision 5 64" orifice, this unit is built to manage a maximum operating pressure of 133 PSI. It is technically identical to the 21 AR 1 2 133 model, providing a robust solution for preventing air binding