Honeywell Ceramic One Shot Thermostats, 2450RC Series, 2450RC352090929, Switch Type SPST, One Shot, Open on Rise, Contact Type Silver Alloy, Ceramic, 15 A/10 A, B201A, T149, Operating Temperature 0 °C to 260 °C [32 °F to 500 °F], Open Temperature 118.89 °C [246 °F], Close Temperature "One Shot", Open Tolerance 7.78 °C [14 °F], Close Tolerance N/A