The DeVilbiss Z-D20206 Pressure Switch Unloader Valve is a four-port, side-wire-feed pressure switch with an adjustable unloader. It pairs a standard pressure-switch function with an adjustable unloading capability to support accurate pressure control in pneumatic circuits. Identified as model Z-D20206, this DeVilbiss component is designed for installations that require an adjustable unloader feature in a pressure-switch valve.
