Bimetal Thermostat Construction: Built with bimetal technology for reliable performance and longlasting operation in refrigerator defrost systems. This component accurately regulates temperatures to maintain cooling efficiency while forestalling frost accumulation. Complete Compatibility: General replacement part for various refrigerator models. This 2/3 wire thermostat is available in two configurations to fit different units: 7°C Round Type (69*34mm) with 50 cm wires 14°C Square Type (100*40mm) with 24 cm wires Easy Installation: Straightforward connection procedures and clear wiring layout make this defrost temperature control switch suitable for DIY repairs. Safety note: unplug the refrigerator before starting installation. Temperature Precision: Engineered to activate at either 7°C or 14°C, depending on your refrigerator needs. This helps ensure consistent cooling performance and prevents excessive ice buildup that can affect appliance functionality. Use Scenarios: Replacing a failed defrost thermostat in a standard household refrigerator to restore proper defrost cycles and stable cooling. Upgrading an older fridge where frost forms too quickly or cooling becomes uneven; select the configured type to match the unit's required cutin temperature. Onsite service in multimodel environments where a single part supports multiple configurations, enabling quick adaptation for different models.