For safety and equipment protection

Its compatibility with Fenwal spot-type detectors ensures precise alignment and consistent performance in demanding high-airflow ventilation applications where sensing accuracy is paramount for life safety systems

Common Questions Will this work with other brands besides York

Its durable construction withstands the acidic nature of HVAC condensate

Cleveland Controls AFS-A-173 Pressure Switch For safety and equipment protectionThe Cleveland Controls AFS A 173 is a high performance adjustable pressure switch designed for critical airflow proving in package burners, furnaces, and fuel burning equipment. This SPDT air pressure switch offers a versatile field adjustable set point range from 0. 05" 0. 02" w. c. to 12" w. c., allowing for precise calibration in positive, negative, or differential pressure applications. Built with a plated housing and a durable silicone diaphragm,