Technicians rely on the 550001266 switch for its seamless integration with existing control boards and wiring harnesses

2-way normally open vent valve engineered for precision control in HVACR and industrial gas systems

05" (14 to 25 mm) in diameter

maintaining system integrity and air conditioning efficiency

Cleveland Controls RFS-4100-078 Air Flow Switch R-407A Technicians rely on the 550001266The Cleveland Controls RFS 4100 078 Air Flow Switch is a high sensitivity differential pressure switch specifically engineered for HVAC ventilation monitoring and air proving applications. This unit features a factory calibrated 0. 17" WC actuation point, making it an essential component for detecting low airflow conditions in critical ducts or air handling units. Built with a robust plated housing and a durable silicone diaphragm, the RFS 4100 078