The York S1-031-03027-000 Lead Temperature Sensor is a highly sensitive and well developed component for measuring temperature in HVAC systems. This sensor is 6” long and is applied for temperature measurement inside different HVAC equipment for achieving the desired performance and energy efficiency. It works through converting thermal energy to an electrical signal that the HVAC use... https://www.partshnc.com/6lead-temp-sensor-w-term