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Key Benefits Ensures accurate refrigerant flow regulation to maintain optimal subcooling and system efficiency
Its compact frame allows for efficient mounting within crowded control panels
Does this require a special tool for installation
187 inches (approx
System Sensor APA151 Annunciator Key Benefits Ensures accurate refrigerantThe System Sensor APA151 is a critical remote annunciator with piezo alert designed for HVAC duct smoke detection systems. Engineered to meet NFPA 90A requirements, this accessory provides both audible and visual notification for 4 wire conventional duct smoke detectors when a system control panel is not present. Operating at 24 VDC (nominal range 16 to 33 VDC), the APA151 features a high visibility red alarm LED and a green power LED to ensure
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