Fitment: This thermistor replacement is designed for Dometic A/C Units: 579, 590, 591, and 595 series as well as the 600 and 630 series Features: Using double-layer sealing process, it has good insulation sealing and anti-mechanical collision, anti-bending ability and high reliability; Connect the highly sensitive and highly reliable NTC thermistor with the PVC wire, and encapsulate it into the required shape with insulating, thermally conductive and waterproof materials, which is convenient for installation and remote temperature measurement and control Tips: Contact us if you have any questions, comments or issues. Your satisfaction would be our greatest motivation