See Brady Products
Honeywell Ceramic Manual Reset Thermostats, 2450CMG Series, 2450CMG80890028, Switch Type SPST, Manual Reset, Open on Rise, Contact Type Gold Alloy, Ceramic, 0.5 A, B230, T147, Operating Temperature 52 °C to 232 °C [125 °F to 450 °F], Open Temperature 232.22 °C [450 °F], Close Temperature "Manual Reset", Open Tolerance 11.11 °C [20 °F], Close Tolerance N/A