Sensus 143-16-021-04 Blue Spring This 220-degree limit switch features

This 220-degree limit switch features an automatic reset mechanism that closes the circuit once the heat exchanger cools to 200

the switch has likely failed and requires replacement

and staged heating applications

The Johnson Controls DMPR-RS312 is a high-performance 212-degree fusible link engineered for critical fail-safe activation in fire and smoke damper assemblies

Sensus 143-16-021-04 Blue Spring This 220-degree limit switch featuresThe Sensus 143 16 021 04 Blue Spring is a critical calibration component engineered specifically for Sensus 243 12 and 121 12 gas pressure regulators. Designed for high precision pressure management, this heavy duty spring provides an outlet pressure range of 5" to 8. 5" w. c. (water column), ensuring consistent delivery and stable downstream pressure in industrial and commercial natural gas applications. As a veteran grade gas regulator replacement