The Airsource Air Conditioner Thermistor Sensor is the perfect solution for detecting and preventing refrigerant leaks. This sensor is designed to detect the presence of R134a refrigerant in the system and alert maintenance personnel when levels are low. This helps to maintain optimal refrigerant levels and prevents waste. The sensor is easy to install. Its reliable performance and long-lasting durability make it the perfect choice for keeping your refrigeration system running smoothly. FleetPride is your First Click in Heavy Duty®.