The Heatcraft Refrigeration 5709L-35F-Cls 55F-Opn Defrost Limit is a key component in commercial refrigeration systems, designed to control the defrost cycle effectively. This limit switch activates at 55°F to end the defrost cycle and closes at 35°F, allowing for precise temperature management that enhances system efficiency. https://www.partshnc.com/5709l-heatcraft-refrigeration-35f-cls-55f-opn-defrost-limit