Fenwal Thermoswitch Thermostat.  From data on device - Model 47301-400. Temp range 32F to 200F. Preset to 115F. Contacts close on temp rise. Pilot 125 to 230VAC. Rated 10A at 115VAC, 5A at 230VAC. Wire length is approx 3ft. New old stock. Sold as-is as-found with no return.