Honeywell Ceramic Automatic Reset Thermostats, 2450RCG Series, 2450RCG84180065, Switch Type SPST, Automatic Reset, Open on Rise, Contact Type Gold Alloy, Ceramic, 0.5 A, B209, T150, Operating Temperature 0 °C to 260 °C [32 °F to 500 °F], Open Temperature 160 °C [320 °F], Close Temperature 140 °C [284 °F], Open Tolerance 6.11 °C [11 °F], Close Tolerance 6.11 °C [11 °F]