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While primarily utilized for R-22 refrigerant in legacy applications
maximizing fuel economy without requiring an outdoor sensor
accessible from the top of the control for easy manometer connection
often necessary for tight clearances or legacy linkage setups
Cleveland Controls AFS-271-396 Air Flow Switch THPU32HP7Y While primarily utilized for R-22The Cleveland Controls AFS 271 396 Air Flow Switch is a professional grade differential pressure switch designed for precise monitoring in HVAC and industrial process ventilation. This unit features an adjustable set point range from . 05" . 02 to 2. 0" w. c., allowing for fine tuned calibration across a variety of airflow velocities. Engineered with a Normally Open (NO) contact configuration, the AFS 271 396 is optimized for safety interlock