HVAC Tools 2-Pack Lockable Cap Keys for HVAC — Precise, Secure Access to Refrigerant Service Ports Key benefits Ensures precise and secure maintenance of heating, ventilation and air conditioning systems by providing controlled access to refrigerant safety caps. Universal, multifunction design compatible with refrigerants R22 and R410A — reduces tool clutter and works across common HVAC systems. Lockable functionality helps prevent unauthorized access and accidental discharge during service, improving safety and compliance. What it does Two lockable cap keys for opening and securing refrigerant safety caps on service ports. Designed as a reliable part of your HVAC service toolkit to streamline maintenance, repairs and inspections. Allows technicians to quickly access refrigerant ports without damaging caps or fittings. Why you need it Speeds up routine maintenance and field repairs by providing the right tool for R22 and R410A service ports. Improves safety and control on-site by offering a lockable solution to secure service ports during work. A cost-effective add-on to standard HVAC tool sets that reduces the risk of leaks and unauthorized tampering. Practical applications Routine service and preventive maintenance on residential and commercial HVAC systems using R22 or R410A. Field repairs and troubleshooting where secure, controlled access to refrigerant ports is required. Commissioning or decommissioning systems, or during leak checks and pressure testing, to keep service ports accessible and secure. What’s included Two lockable cap keys from HVAC Tools, supplied as a matched pair for service teams or dual-port work. Tone and compatibility Professional, dependable tool specifically for HVAC technicians and service professionals. Compatible with refrigerant systems labeled for R22 and R410A as stated by the manufacturer. Note Intended specifically for accessing and securing refrigerant safety caps. Follow applicable safety procedures and regulations when servicing refrigerant systems.