Description
The Johnson Controls P78MCA-9300 is a two-stage control device used for measuring and controlling the low-side and high-side pressure of HVAC systems. It is an indispensable means of maintaining safety and further obtaining the highest performance possible in applications concerning air conditioning and refrigeration. It regulates both high and low pressure within HVAC systems. This device ensures that systems operate at safe and optimal pressure ranges of between 7-100 PSI for low pressure and 43-435 PSI for high pressure. It also provides a reliable solution to protect compressors as well as other components from such unusual pressure conditions.









