where the switch disconnects the circuit once the high temperature setpoint is reached

preventing hazardous operation during maintenance

stable performance across a wide operating temperature range from -50°F to 165°F

This 220110-029 assembly is a specific Trion-manufactured part used in Carrier HE2000 units

and FS7-4W series

Sensus 143-16-021-05 Green Spring where the switch disconnects theThe Sensus 143 16 021 05 Green Spring is a critical calibration component engineered for Sensus Model 143 80, 243, 121, and 122 diaphragm type gas regulators. Designed to maintain precise downstream pressure, this regulator adjustment spring provides the specific tension required for accurate setpoint control in natural gas distribution and industrial metering. Whether you are performing routine maintenance or field adjusting a commercial gas