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preventing the common arcing issues found with generic spade connectors
providing heavy-duty switching relay reliability for residential and commercial systems
Universal Compatibility: Fits standard 3/4" NPT threads
maintaining system compliance with original manufacturer performance specifications
Cleveland Controls DFS-221-199 Pressure Switch preventing the common arcing issuesThe 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