This Cotherm Replacement Immersion Thermostat features a patented MFS technology or a traditional bimetal for an independent non-self-resetting safety option. It offers direct plug-in to the heating element, reducing wiring and mounting costs. The thermostat comes in a tamper-proof housing and is available with factory pre-set fixed temperature, OEM adjustable, or end-user adjustable temperature settings. Designed for combined control and safety functions.