Durable brass construction Made from strength brass material, this refrigerant control valve delivers exceptional pressure resistance and durability. The robust brass body provides long term reliability even under pressure, making it suitable for frequent use in demanding HVAC environments. Its construction helps ensure consistent performance over time. Wide compatibility Designed to work with R22, R404, and R407 refrigerant systems, this valve adapter fits HVAC, HVAC/R, and A/C manifold fittings. The 1/4SAE standard interface enables easy connection to most fluoride pipes, ensuring versatility across various air conditioning and refrigeration applications without compatibility issues. sealing performance A thickened body construction enhances sealing to prevent leaks and maintain system efficiency. The precision engineered design guarantees airtight connections every time, reducing refrigerant loss and helping optimize your HVAC system's overall performance and energy efficiency. User friendly design An ergonomic, userfriendly structure makes adding refrigerant faster and easier. The smooth operation minimizes hand strain during prolonged use, and the intuitive design allows for quick installation and removal, saving time on maintenance and repairs. Use scenarios Refrigerant charging in HVAC or HVAC/R systems using R22, R404, or R407 refrigerants, where reliable connections and leak seals are critical. Routine service and maintenance tasks requiring frequent connection to manifold fittings on A/C or refrigeration systems. Leak testing and performance optimization in commercial or residential cooling setups, where durable construction and dependable sealing help ensure accurate results and energy efficiency.