• Universal Compatibility - This HVAC refrigerant locking cap tool fits 98% of standard Schrader service valves on AC units and mini-split systems. It is compatible with both R-410A & R-22 refrigerants, and works with Novent NG/NP/NPE Euro and NS Universal Locking Caps.
• Durable Construction - Made from high-quality materials, this tool is built to withstand tough working conditions and frequent use. Its precision design ensures a snug seal, preventing leaks and refrigerant mix-ups, even under harsh conditions.
• 2-in-1 Design for Convenience - This multi-key tool combines the functions of two tools in one, eliminating the need for multiple devices. The screw-in mechanism ensures excellent leak protection and energy efficiency, making the installation and removal of locking caps quick and easy.
• Compact and Portable - Measuring just 1.4 x 1.6 inches, this tool is compact and lightweight, making it easy to store in your tool bag or clip to your keychain for quick access during maintenance or service calls.
• Leak Prevention and Energy Efficiency - This locking cap key prevents refrigerant leaks and reduces energy loss, ensuring higher efficiency and reliable performance of your HVAC systems. Ideal for both professional technicians and DIY enthusiasts.