Honeywell Ceramic Automatic Reset Thermostats, 2455RCG Series, 2455RCG81170352, Switch Type SPST, Automatic Reset, Open on Rise, Contact Type Gold Alloy, Ceramic, 0.5 A, B201A, T806, Operating Temperature 0 °C to 260 °C [32 °F to 500 °F], Open Temperature 140 °C [284 °F], Close Temperature 115 °C [239 °F], Open Tolerance 3.89 °C [7 °F], Close Tolerance 3.89 °C [7 °F]