3-in-1 HVAC Locking Cap Key – Universal Refrigerant Service Tool

This 3‑in‑1 HVAC locking cap key from KZTRQAML is engineered for universal compatibility, working seamlessly with refrigerant safety caps for both R22 and R410A systems. Each key features three distinct slots, allowing technicians to engage a variety of cap mechanisms across different HVAC units, reducing the need for multiple tools.

Built from durable, high‑quality materials, the key withstands harsh workshop conditions and tight‑space applications, delivering reliable performance day after day. Available in single‑pack or double‑pack options, it provides flexibility for individual use or larger service teams, making it an essential addition to any professional HVAC toolkit.