- This item is a tool part for a complete air conditioning repair tool kit, designed to support effective AC repairs. - It includes an AC rubber seal to maintain proper seals and help prevent refrigerant leaks during service. - The valve core is an essential component that can be adjusted or replaced to regulate refrigerant flow in the air conditioning system. - With this tool part, technicians can diagnose and fix a range of AC issues, helping to restore optimal performance. - The complete tool kit provides all the tools needed for comprehensive air conditioning repair, making it a reliable asset for professionals. 2-3 practical use scenarios - Use during field service to diagnose and repair air conditioning units, including seal maintenance and refrigerant flow adjustment. - Use in leak repair tasks, utilizing the rubber seal to maintain seals while adjusting or replacing the valve core to control refrigerant flow. - Use in workshop or service calls for valve core replacement or adjustment to restore system performance and efficiency.