meaning it is engineered to open the circuit at 200°F and automatically reset once the temperature drops by a 30°F differential to 170°F

This specific model is a low pressure control (Range 3)

This probe is optimized for standard potable or softened water

or pressure at a centralized control panel

making it an essential component for proving airflow in blower systems or monitoring filter status in air handling units

Nor East Controls 30685566-003 Adaptor Freon meaning it is engineered toThe Nor East Controls 30685566 003 Adaptor is a precision engineered male packing adaptor designed for high performance fluid control applications. Specifically built for 8600 and 8900 Series Mixing and Diverting Globe Valves with a pressure rating of 250 lb, this industrial valve packing adaptor is essential for maintaining seal integrity in demanding HVACR and industrial environments. This replacement model 30685566 003 provides a leak proof