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4" WC (water column) set-point detection to ensure proper venting and combustion airflow
This code typically indicates an open limit switch
this bottom panel is essential for restoring optimal static pressure and maintaining the airflow integrity of the air handler
high-tolerance replacement for legacy part numbers including 03
Cleveland Controls RFS-4001-110 Pressure Switch 326058-756 4" WC (water column) set-pointThe Cleveland Controls RFS 4001 110 Pressure Switch is a professional grade air pressure sensing switch designed for proving airflow in commercial HVAC and energy management systems. This adjustable SPDT pressure switch features a versatile set point range from 0. 15" w. c. . 05" to 20. 0" w. c., allowing for precise field calibration across high and low static pressure applications. Built with a durable plated housing and a silicone diaphragm, the