The Daikin-McQuay 349982403 Temperature Sensor Assembly is a sensing device designed to monitor air or fluid temperature in HVAC equipment. It detects temperature changes and sends a proportional signal to the control system for regulation of cooling or heating functions. Commonly used in chillers, air handlers, and packaged HVAC units, this sensor supports precise temperature control... https://www.partshnc.com/349982403-daikin-mcquay-temperature-sensor-assembly