The Hobart 271123 Dishwasher Hi-Limit Thermostat O-Disc with 18" Copper Sensor Probe, 9-1/2" Red Wire Leads & Shielded Pin Connectors is a temperature safety control designed for compatible commercial dishwashers. The 18-inch copper sensor probe continuously monitors operating temperature, and the Therm-O-Disc mechanism interrupts the electrical circuit if the preset high-temperature ... https://partsfe.com/271123-vulcan-hart-hi-limit