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It allows technicians to service AC systems quickly and efficiently. Adjustable Connector with High & Low Couplers The adjustable refrigerant connector supports both high-side and low-side couplers, making it compatible with a wide range of automotive and HVAC air conditioning systems. Replace Valve Cores Without Discharging This professional tool allows you to replace the valve core without releasing refrigerant or reclaiming the AC system, improving repair efficiency and reducing maintenance time. Premium Solid Brass Construction Made from high-quality brass material, the tool is corrosion-resistant, anti-rust, and durable, ensuring reliable performance and a long service life. Wide Application for AC Systems Perfect for automotive air conditioning systems, household air conditioners, and HVAC maintenance tasks. Ideal for technicians, mechanics, and DIY repairs. Technical Specifications Product Type AC Valve Core Removal Tool Material Solid Brass Compatible Refrigerants R134a / R12 Application Automotive AC / HVAC Primary Function Valve Core Removal & Replacement Frequently Asked Questions Q1: Can this tool work with R134a systems? Yes, it is fully compatible with both R134a and R12 air conditioning systems. Q2: Do I need to discharge the refrigerant before replacing the valve core? No, this tool allows valve core replacement without discharging the system, saving you time and refrigerant. Q3: Is the tool durable? Yes, it is constructed from solid brass for excellent durability, anti-rust properties, and corrosion resistance. Q4: Is it suitable for household AC systems? Yes, it can be used for automotive AC systems as well as HVAC and household air conditioners. Show more