The Reznor 32517 is a precision-engineered 1/2" x 16-1/4" thinwall conduit designed specifically for routing electrical wiring within Reznor unit heaters and HVAC systems

enhancing safety and performance in 208/230V applications

and shaft dimensions match your existing blower or fan blade requirements

The low-wattage design is critical for continuous duty cycles

A healthy signal should read 1

Cleveland Controls DFS-448-452 Sensing Switch 326058-758 The Reznor 32517 is aThe 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