Manual Air Control Valve, Valve Ways and Positions 4-Way/3-Position, Valve Port Size 1/2 in, Connection NPT, Valve Actuator / Return Rotary Lever / Manual, Valve Max. Pressure Rating 150 psi, Valve Temp. Range 18 Degrees to 200 Degrees F, Center Position Closed, Coefficient of Volume 6.2, Body Material Aluminum, Cast Iron, Overall Length 8 15/16 in, Overall Height 4 13/32 in, Overall Width 5 5/8 in, Series Reversing Valves, Manual Air Control Valve WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -