Daikin-McQuay 4018364 Thermister Assembly is a temperature-sensing component designed to monitor and provide accurate temperature readings within HVAC systems. It works by detecting temperature changes and varying its electrical resistance, allowing the control system to adjust operation for optimal performance. This thermistor assembly is commonly used in Daikin and McQuay air condit... https://www.partshnc.com/4018364-daikin-mcquay-thermister-assy