Brand new and comes with new thermistor and new probe cables also install instructions The Marco Eco Water Boiler control PB5 Tek282G REV 4.0 is a unit designed for commercial kitchen use in restaurants and food service establishments. Made by the brand Marco, this water boiler control unit is essential for efficiently managing hot water dispensing in a professional kitchen setting. With its compact design and reliable performance, this product is a practical addition to any commercial kitchen looking to streamline their hot water preparation process.