Vent-Rite #31 Air Valve (6PSI, 1/8in)

Vent-Rite #31 Air Elimination Air Valves No 31 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. Vent Rite #31 Air Valve Ventrite 31 for Steam System Vent Rite Non Vacuum: 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: 31 Connection: 1/8" Male Vent Port: 1/16" Operating Pressure: 6 psi O.A. HT: 3 3/4" Use For: Convector & Risers Positive Action and Straight Line Venting Description: 1/8” Straight Vent Use the chart on the bottom of the box to select the proper vent for your application.