Johnson Controls P12AA-3 Differential Pressure Control, 18/12#

This differential pressure control is designed to accurately monitor and maintain the pressure difference between two points in an HVAC system. It has a range of 18/12 pounds per square inch and is manufactured by a reputable company known for producing high-quality HVAC equipment. The P12AA-3 model is reliable and efficient, making it an excellent choice for HVAC service technicians who need precise control over differential pressure in their systems.