Vector Controls SD-Tn10-12-3a Duct Temperature Sensor

Refurbished - "The SD-T is duct temperature sensor which measures the temperature by use of a glass packed thermistor with a negative temperature coefficient (NTC). Its resistance changes according to the temperature. The change follows a specified curve." (Manufacturer's Documentation) - Items may show cosmetic signs of wear, such as minor discoloration, scuffs, or scratches. Products are tested prior to being shipped and are covered by a 2-year warranty and 60-day return policy. See the About Us page for more details regarding warranty and returns.