Cleveland Controls DFS-221-112 Switch The Reznor 112752 Blocked Flue

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

The Amana-Goodman 0130F00002P Pressure Switch is a critical safety component designed for precise flue gas monitoring in high-efficiency gas furnaces

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

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

the York S1-025-29041-005 Limit Switch is a critical OEM replacement part designed for high-limit temperature monitoring

Cleveland Controls DFS-221-112 Switch The Reznor 112752 Blocked FlueThe 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