Installation Instructions are NOT included with this part! This thermistor attaches to the blower housing and helps to monitor / regulate the temperature inside of the dryer. This original Samsung Dryer Thermistor originally shipped with the following Samsung devices: DV203AES, DV203AES/XAA, DV203AES/XAC This is a true Samsung part! This item is NEW! Don't see your model number? Send us a message as we are happy to help!