Dwyer Instruments CXA-R1 N/O Pressure Switch 15/80 PSIG 1/4" FPT

The Dwyer Instruments CXA-R1 Pressure Switch is a control equipment that measures the flow of fluid or air and closes its normally open contact when the reading is either below or above the set range of 15 to 80 PSIG in HVAC systems. It uses a pressure-sensing element connected to system of switching to respond to changes and a dependable electrical signal. The switch is connected to 1/4'' thread fitting pressure lines.