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Ships within 48 hours · Estimated delivery Sep 6 - Sep 11
Universal Compatibility: Fits standard 3/4" NPT threads
This OEM replacement part is engineered to monitor furnace plenum temperatures
this specific model is engineered for 24V control circuits only
Precise Engineering: Machined to exact OEM specifications to prevent wear on the lock cylinder
Cleveland Controls DFS-221-199 Pressure Switch Universal Compatibility: Fits standard 3/4"The Cleveland Controls DFS 221 199 is a professional grade air pressure sensing switch engineered for high accuracy airflow proving in duct heaters, ovens, and gas fired combustion systems. This fixed setpoint pressure switch is factory calibrated to actuate on a pressure rise of 0. 05" WC ( 0. 02" WC), providing a reliable safety interlock for HVAC and energy management applications. Its compact, non adjustable design is particularly effective for