Johnson Controls P10FC-4 Pressure Control

Low Pressure Control, Two Stage, SPDT Contact Action, 3-20 PSIG Range, 8 PSIG Factory Setting Low Stage ( R to Y Cutout ), 12 PSI Factory Setting High Stage ( R-Y Cut In ), 2 PSI Low and High Stage Switch Differential, 1/8" Barbed Fitting Pressure Connector, Visible Range Scale