Integrated Feedback: Two internal SPDT auxiliary switches provide precise end-of-stroke verification for enhanced system monitoring

How often should the filter insert be replaced

Key Benefits & Specifications

Does this unit require a separate power supply to function

Siemens Building Technology 141-0521 Thermostat 322057-301 Integrated Feedback: Two internal SPDTThe Siemens Building Technology 141 0521 is a commercial grade line voltage remote bulb thermostat engineered for high accuracy temperature regulation in demanding HVACR environments. This 2 position room thermostat features a liquid filled sensing element and a 6 foot capillary tube, providing a responsive SPDT snap action switch for direct control of heating or cooling equipment. Designed for versatility, the 141 0521 operates across 100 to 240 VAC,