2. INSPECTION AND ADJUSTMENT 2.7 Thermostat Inspection Place the thermostat in a container filled with water. Heat it while measuring the water temperature, and see that the thermostat is actuated at temperature of following table. * Valve opening temperature is carved on the flange. 82E-5 – 98E-5 SERIES 2-31 Model Valve opening Temperature (°C)* Full open lift (Temperature) (mm) All models 69.5 – 72.5 8 or more (85°C)