... boiler and etc. 1.1/2" thermostat,disc thermostat,bimetal thermostat,thermal cutout,thermal cutoff,temperature switches,temperature protector,snap action thermostat 2.Manual reset with ceramic ... °C, ±3 °C, ±4 °C, ±5°C, ±10 °C6.Normal Electric Strength: Not Broken within 2000V / 1 minute, No flash. 7 ...