The KMC Controls CCE-1001 Pneumatic Electric Switch is a high quality SPDT switch for the precise control in HVAC systems. It has a fixed differential of 2 PSI for accurate pressure monitoring and switching for different applications. It is a suitable switch for use in the systems like air handlers, cooling towers and compressors where it is to be operated reliably. #KmcControls #C... https://www.partshnc.com/cce-1001-kmc-controls-pe-switch-spdt-2fixdiff