Crandall Stats & Sensors 2390-501-CSS Switch 322838-754 You must pair it with

You must pair it with a compatible Emerson solenoid coil based on your specific voltage requirements

This relief valve is factory set to open at 125 PSI to help protect heating equipment and piping from excessive pressure

Applying lower voltage will result in motor failure and potential damage to the system's electrical contactors

ensuring even load distribution across multiple-groove sheaves

Crandall Stats & Sensors 2390-501-CSS Switch 322838-754 You must pair it withThe Crandall Stats & Sensors 2390 501 CSS is a pneumatic gradual switch designed for 100% manual adjustment of air pressure within HVAC pneumatic systems. This unit provides precise control over a 0 to 20 psig range, allowing technicians to manually select and maintain specific pressure settings for pneumatic actuators, position controlled devices, or remote set point adjusters. As a 2390 501 CSS replacement for YMC 1001, it serves as a direct drop in