Thermostat, thermal cut out. F230-240.
Therm-O-Disc 36TX22 13038 F230-40
Thermostat, thermal cut out. Thermostatic switch, bi-metal 1/2" (12.77mm). Contacts: (2) 0.17" solder term, one on each side. The 36T series of 1/2'' bimetal thermostats from Therm-O-Disc® offers proven reliability in a compact, versatile, cost-effective design. The snap action of the bimetal disc provides high-speed contact separation resulting in excellent life cycle characteristics at electrical loads up to 15 amps at 120VAC and 10 amps at 250VAC. Please see: http://electronicsurplusblog.com/replacing-thermal-cutout-devices-with-surplus-look-alikes/