Boltigen 3 Pcs AC Manifold Gauge Hose Set with R134a Taps & Quick Couplers

Overview

The Boltigen 3 Pcs AC Manifold Gauge Hose Set blends durable hoses, smart adapters, and intuitive fittings to support R134a service tasks. With color‑coded lines and robust brass components, it offers a practical companion for DIY projects and professional maintenance alike—without overpromising results.

What you get and how it helps

• Blue hose for low-side measurements, red hose for high-side checks, and yellow hose for charging.
• 4-layer reinforced PVC hoses rated to handle daily pressures up to 600 psi, with a burst strength around 3000 psi.
• Standard 1/4 inch female flare fittings ensure broad compatibility with common A/C tools.

The kit includes two R134a quick adapters that thread onto service ports and are compatible with 1/4 inch male flare fittings. The 6-ball quick couplers provide reliable engagement with reduced risk of refrigerant leakage.

• Two R134a can taps feature piercing and self-sealing style for easy cans and sealed refills, built from durable brass and equipped with T handles for fingertip control.
• Extra refrigerant adapters cover 1/2 to 1/4 flare transitions and 1/4 to 1/4 configurations to fit a range of tools.
• Wide compatibility with R134a, R12, R22, and R502 refrigerants supports a variety of service scenarios.

Real-world uses

Use this set to evacuate, recharge, or monitor an A/C system's pressure during diagnostics. It is suited for both do-it-yourself setups and professional shop work, enabling controlled flows and accurate readings as you work through a maintenance routine.

Build quality and storage

Durable brass components, reinforced hoses, and standard flare fittings combine for a sturdy, long-lasting tool. A compact configuration helps you keep the kit organized in a toolbox or service cart.

Why choose Boltigen for A/C service tools

The kit emphasizes reliable connections, clear visual cues, and sturdy construction. The color-coded hoses reduce guesswork during multi-step tasks, while brass taps and adapters deliver dependable seals for repeated use. The compact design makes it easy to transport between jobs or store at the shop.

Tips for best results

• Match refrigerant type to the system before starting work.
• Secure connections before opening valves to prevent leaks.
• Use the yellow charging line to add refrigerant gradually while watching gauges.

Warranty and compatibility snapshot

Designed to work with R134a, R12, R22, and R502 refrigerants, this set supports a wide range of vehicle makes. It complements standard service tools and is a practical upgrade for most equipment carts.