The WHITE RODGERS part 3L11-140 is a reliable and efficient Bimetal Disc Thermostat designed for automatic reset applications. This thermostat features an open-on-rise mechanism, meaning it activates when the temperature rises above the set threshold. With its 4-pin configuration, it ensures secure and easy installation. Whether used in heating or cooling systems, this durable and accurate thermostat guarantees precise temperature control. Trust the WHITE RODGERS 3L11-140 for its exceptional performance and user-friendly design.