OEM Precision: Direct replacement design eliminates the need for extensive piping modifications or mounting adjustments

and shaft dimensions match your existing blower or fan blade requirements

Automatic Cycling: Features a reliable 20°F differential

The low-wattage design is critical for continuous duty cycles

compact module

Cleveland Controls DFS-448-452 Sensing Switch 326058-758 OEM Precision: Direct replacement designThe Cleveland Controls DFS 448 452 is a fixed set point air pressure sensing switch designed for critical airflow proving in duct heaters, air handlers, and energy management systems. Engineered for technicians who need a "set and forget" solution, this differential pressure switch features a non adjustable set point of 0. 05" W. C. (+0. 025 0. 005"), ensuring precise activation when system pressures rise. Its SPDT snap acting switch allows for