Flow Control Valve; Type Straight, 1/2 Turn Knob; Normal Condition Manual Open; Nominal Size 3/4"; End Connection Female Threaded x Female Threaded; Overall Length 3"; Temperature Rating 250 Deg F; Pressure Rating 150 PSI; Body Material Brass; Seal Material Elastomer; Application Hydronic Heating System, Water; Includes Non-Ferrous Internal Component