Honeywell Overmolded Automatic Reset Thermostats, 3455RBV Series, 3455RBV84810017, Switch Type SPST, Automatic Reset, Open on Rise, Contact Type Silver Alloy, Ceramic Epoxy Overmold, 15 A/10 A resistive max., B209, T806, Operating Temperature -12 °C to 105 °C [10 °F to 250 °F], Open Temperature 40.56 °C [105 °F], Close Temperature 32.22 °C [90 °F], Open Tolerance 2.78 °C [5 °F], Close Tolerance 3.89 °C [7 °F]