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The Maxitrol 12A39 is designed to restrict gas leakage to a safe
The internal components are functionally backwards-compatible with the non-LF 26A-263A valve bodies
simplifying field replacement
Integrated Diagnostics: Features a diagnostic LED to quickly identify furnace lockout codes and sensor failures
Easy Calibration: Features large
Cleveland Controls AFS-951 Switch Refrigerant The Maxitrol 12A39 is designedThe Cleveland Controls AFS 951 is a high performance differential pressure sensing switch engineered for precise monitoring of air and non combustible gases. This SPDT air pressure switch features a versatile field adjustable set point range of 0. 05" to 12. 0" w. c., making it an essential component for proving airflow in commercial burners, furnaces, and complex HVAC systems. Built with a durable plated housing and a sensitive silicone diaphragm,
