The KT-43-FC Thermostatic Replacement Element is engineered to restore accurate refrigerant control and dependable performance in HVACR systems that operate with R12 refrigerant. Designed as a Type 43 replacement element, it features a C-type charge that delivers precise thermal response, helping maintain proper superheat and efficient system operation. This element includes a 5-foot capillary tube, allowing flexible installation and reliable sensing in a wide range of applications. A trusted name in HVACR components, the KT-43-FC is built for durability and consistent performance, making it an ideal service replacement when maintaining or repairing compatible expansion valves.