Vacuum Generator, Valve Ways and Positions 5-Way/2-Position, Voltage 24V DC, Valve Actuator / Return Solenoid / Spring, Pipe Size Base Mounted, Max. CFM - Valves 0.78 cfm, Operational Pressure Range 15 to 145 psi, Body Style Base Mounted, Pilot Port Size Internal Pilot, Pilot Pressure 15, Coefficient of Volume 0.55, Plug-In Electrical Connections, Shifting Technology Solenoid, Power Consumption 2.04 W, Ambient Temp. Range 14 Degrees to 140 Degrees F, Overall Height 1 1/2 in