Description
The Johnson Controls P74DA-10 Pressure Control Adjustable Differential is a versatile control device designed for HVAC systems. This works based on constantly monitoring the pressure difference between two points and controlling equipment on and off according to the set pressure limits. It is suitable in various HVAC applications with a pressure range of 8-70 PSI and an adjustable set point range of 7-30 PSI. This control is suitable for most HVAC fittings because it comes with a 1/4” NPT connection type and a DPST switch type.
