Luney 3-Way AC Gauges Set – R134a, R12, R22, R502 HVAC Manifold Kit

All-in-One professional AC gauge kit

Meet Luney's 3 Way AC Gauges Set, a professional-grade kit designed to streamline diagnostics, evacuation, and recharge tasks across automotive, residential, and light commercial cooling systems. Built to withstand real-world shop conditions, this complete kit puts essential tools in one sturdy box for quick, confident service.

• 3-valve gauge for precise pressure readings
• 4-foot flameproof hoses with color coding for easy routing
• Adjustable 1/4" quick couplers for fast connections
• 1/4" to 1/2" Acme adapter for versatile fittings
• Self-sealing and piercing can taps for flexible charging options
• Durable carrying box keeps components organized and portable

Versatile refrigerant support

This kit is designed to work with a broad range of refrigerants, including R134a, R12, R22, and R502. Whether you’re diagnosing a car AC, servicing a home unit, or maintaining a small commercial system, Luney helps you adapt to different hardware without swapping tools.

• R134a, R12, R22, and R502 compatibility expands service options
• Suitable for diagnostics, servicing, and recharge workflows

Safety, reliability, and longevity

The hoses feature a 4-layer reinforced design for flexibility and strength, rated for 600 PSI working pressure and up to 3000 PSI burst. Extra gaskets help prevent leaks, supporting secure, long-lasting performance in demanding conditions.

• Color-coded hoses enhance safety and workflow clarity
• 4-layer reinforced PVC design delivers durability under pressure
• Leak-preventing gaskets improve reliability during use

Precision you can count on

Large 2.6-inch dual anti-shock gauges feature an oil-filled core for vibration damping and a dry dial for stable readings in cold weather. Brass fittings, a built-in moisture indicator, and user-calibration screws contribute to sustained accuracy over time.

• 2.6" gauges provide clear, stable readings
• Oil-filled core reduces vibration for consistent measurements
• Moisture indicator helps monitor refrigerant quality
• Brass fittings and adjustability support long-term accuracy

Built for professionals and DIY enthusiasts

Rugged zinc alloy construction and brass components make this kit suitable for demanding use, while a clear manual aids setup for both experienced technicians and capable DIYers seeking dependable performance.