Vent-Rite 77 Air Elimination Air Valve Vent Rite Steam Non Vacuum Vent: Vent Rite has been supplying high quality steam and hot water air valves to home owners, public buildings, institutions and industry for over fifty years and continues to enjoy a reputation for reliability and excellence. Quick, uniform distribution of heat to all radiation is the first essential to perfect performance. This requires balancing the radiation by controlled venting. Vent-Rite Non-Vacuum Vents are designed for positive action and straight line venting. They function automatically to vent the air. Type: Air Valve Mfr/Model No: 77 Connection: 3/4" Male x 1/2" Female Vent Port: 1/8" Operating Pressure: 31/2 psi Use For: Main Vents Positive Action and Straight Line Venting Description: 3/4”M x 1/2”F Main Vent Use the chart on the bottom of the box to select the proper vent for your application.
