Vent Valve Type Automatic, Float, Self-Closing Inlet Size 1/2 Inch x 3/4 Inch Inlet Connection Female Threaded x Male Threaded Body Material Brass Media Handled Hot Water Application Concealed Radiator, Pipe Line, Tank Size 4-3/4 Inch x 2-1/4 Inch Finish Bright Brass Features / Benefits The 7 Series Auto-Vents Air Eliminators are Made of Brass and Equipped with a Self-Closing, Float-Operated Valve The Valve is Equipped with a Monel Metal Spring and a Neoprene Valve Seat which is Unaffected by High Temperatures, Oil and Anti-Freeze No Air Chamber is Required The Vent is Regularly Fitted with a Patented Cap that May be Used as a Check in Case of a Leak Caused by Core Sand or Scale
