The Carlyle LF18-197 Pressure Transducer HK05YZ007 is a multicolor sensor designed for HVAC and refrigeration systems. This pressure transducer is compatible with Carrier brand systems, providing accurate and reliable readings for monitoring and regulating pressure levels. With its specific model number HK05YZ007, this transducer is a valuable component for maintaining the efficiency and performance of HVAC and refrigeration systems in various industrial and commercial settings.