TUTTNAUER 99130R Pressure Switch High Limit W/Manual Reset – 8662

The Tuttnauer 99130R is a high-limit pressure switch with manual reset, part number 8662. It is installed in Tuttnauer steam sterilizers to monitor chamber pressure and halt the sterilization cycle if pressure exceeds safe operating limits. The switch is typically wired into the control circuit and requires manual intervention to reset after a pressure fault occurs.