Use a multimeter to verify 24VAC across the coil terminals

This control is designed to open the circuit when the system pressure reaches 380 PSI and close (reset) once the pressure drops back to 300 PSI

meeting the requirements for high-pressure R-410A liquid lines

Compact Industrial Design: Built to withstand the harsh vibrational and thermal stresses of HVACR operation

Sterling HVAC 11J11R03149-001 Limit Switch 30067439-890 Use a multimeter to verifyThe Sterling HVAC 11J11R03149 001 is a precision engineered automatic reset limit switch designed for critical thermal protection in Sterling gas unit heaters and air handling systems. Featuring a calibrated operating range of 150 190F, this high limit safety control ensures the system stays within safe thermal parameters by breaking the electrical circuit if the discharge air or heat exchanger temperature exceeds 190F. Once the surface temperature