Cleveland Controls DFS-221-112 Switch the Reznor 113275 is a

the Reznor 113275 is a standard fastener used across multiple generations of unit heaters

This kit is built for versatile field replacement

The precise sensing mechanism is calibrated to trigger only when improper venting is confirmed

Durable Construction: Manufactured to resist mechanical fatigue during high-cycle furnace and blower operations

The Reznor 112752 Blocked Flue Switch is a critical safety component designed for specific Reznor unit heaters

Cleveland Controls DFS-221-112 Switch the Reznor 113275 is aThe Cleveland Controls DFS 221 112 Switch is a fixed setpoint air pressure sensing switch designed for critical airflow proving in duct heaters, ovens, and energy management systems. This SPDT airflow switch is factory calibrated to actuate on a pressure rise at 0. 05" WC ( 0. 02" WC), making it an ideal solution for applications requiring a non adjustable, tamper proof safety interlock. Built with a durable silicone diaphragm and a zinc plated steel