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Ships within 48 hours · Estimated delivery Sep 3 - Sep 8
1 and 23820
5 pole' vs '1 pole' mean for this part
this kit ensures reliable normally open (PDTC) or normally closed (PDTO) valve positioning based on your specific control sequence requirements
maintaining the sensitivity and modulation accuracy of the thermostat sensors
Cleveland Controls DFS-221-153 Switch 1 and 23820The Cleveland Controls DFS 221 153 is a precision engineered airflow proving switch designed for critical monitoring in duct heaters, commercial ovens, and high demand HVAC systems. This differential air pressure sensing switch features a factory fixed setpoint of 0. 05" W. C., making it an ideal choice for applications requiring a non adjustable, tamper proof safety control. Built with a robust zinc plated housing and a high performance silicone