The P70JA-16 is a pressure control switch designed by a leading HVAC manufacturer. It features a 12-inch sensing element and can handle up to 50 pounds of pressure. With a 4-foot capillary tube, it can accurately measure pressure differentials ranging from 5 to 35 pounds. The switch is activated by a single-pole, double-throw snap-action switch that can be wired for normally open or normally closed operation. This reliable and durable switch is an excellent choice for HVAC service technicians looking for precise and consistent pressure control in their systems.