P74FA-1C Differential Pressure ControlSeries P74 measures the pressure difference between two sources: supply lines and return lines. A change in differential pressure will reposition the switching mechanism to cause corrective action of the supplementary control equipment. Product Specifications BRANDJohnson Controls BELLOWS MATERIALBrass DIFFERENTIAL PSI (KPA)8 to 60 Adjustable (55 to 414) SWITCH ACTIONSPDT (Snap - Acting) SWITCH DIFFERENTIAL1.5 Fixed PRESSURE CONNECTOR1/4 in. Male Flare LIMITED WARRANTY YEARS1
