The Automation Components Inc. (ACI) 144209 Thermistor 10K Ohm is a precision temperature sensing device used in HVAC control and monitoring applications. It works by changing electrical resistance in response to temperature variations, allowing controllers to accurately measure and regulate system performance. This thermistor is commonly used in air handling units, rooftop units, hea... https://www.partshnc.com/automation-components-inc-aci-144209-10kohm-thermistor