Description
The Johnson Controls P72DA-1 is a high-pressure dual-pressure controller that is used in the HVAC and refrigeration systems. It has a DPST switch and it can work between 50 and 450 PSI in pressure. For added security, this controller has manual reset and it opens at high pressure. It has a dependable pressure monitoring feature, and it can be installed in various ways with a 36” capillary tube. To control the desired pressure in the HVAC equipment which includes air conditioner, heat pumps and refrigeration unit a dual pressure controller is essential. By opening the circuit when the pressure gets to the high limit ensures efficiency and safety and avoids system breakdowns.
