Johnson Controls (PENN) P32AF-1C, Sensitive Diff Pressure Ctl; .05/5"Wc .05+/-.03"Wc @ Min. Setpoint Lo-Open (R-Y) .9+/-.05"Wc Spdt. The Johnson Controls P32 Series Differential Pressure Switches are engineered for the detection of air flow in ducts and other HVAC applications.
