Honeywell Ceramic Automatic Reset Thermostats, 2455RC Series, 2455RC-90820388, Switch Type SPST, Automatic Reset, Open on Rise, Contact Type Silver Alloy, Ceramic, 15 A/10 A, B201A, T147, Operating Temperature 0 °C to 260 °C [32 °F to 500 °F], Open Temperature 160 °C [320 °F], Close Temperature 135 °C [275 °F], Open Tolerance 6 °C [10.8 °F], Close Tolerance 7 °C [12.6 °F]