Mudder 7-Pcs Air Conditioning Refrigerant Valve Kit — 1/4in Ball Valves & 5/16in to 1/4in Adapters for R410A R134A R22 R12 HVAC

Efficient, compact refrigerant valve kit for HVAC and auto AC

The Mudder 7 piece set combines three 45° angled ball valves with four adapters in a compact, durable package. Built for professional use and DIY maintenance alike, it helps you establish secure connections and controlled flow when charging, recovering, or testing refrigerant lines. Its thoughtful design supports on‑site work without bulky gear, and the kit storage is easy in a tool box or service van.

Designed with practical handling in mind, the kit emphasizes ease of use, reliability, and sealed performance. The brass alloy components are chosen for longevity, and each valve includes a built-in rubber gasket to help minimize leaks. A thimble-equipped adapter helps protect the air conditioning core tube during operation, supporting leak prevention as you work.

What you get and how it works

• You will receive: 3 pieces angled ball valves and 4 pieces useful adapters, totaling 7 pieces to meet common HVAC needs.
• Angled ball valve: 45 degree manual shut-off valve with 1/4 inch male and female fittings; knurled nuts allow quick finger-tightening; rated up to 800 psi working pressure and 4000 psi minimum burst pressure.

Adapters and leakage prevention

• Adapter for mini split systems converts 5/16 inch charging vacuum ports to accept 1/4 inch gauge hoses; includes a thimble to prevent leakage.
• Brass alloy construction with built-in rubber gasket provides strong sealing, durability, and safety during operation.

Wide compatibility and practical use

These components are suitable for charging and recovery work with standard refrigerants and systems. They are commonly used with refrigerants R134a, R410A, R22, and R12, and work with charging hoses or manifold sets. Use as part of routine HVAC or car AC maintenance to improve workflow and reliability.

Tips for handling: tighten as needed during installation without excessive force to avoid damaging seals, and ensure proper alignment of fittings before tightening.

Quality you can rely on

Made from quality brass alloy and featuring anti-leakage design, this kit is built to last through repeated use and multiple projects. The components are designed for straightforward installation, minimizing the time you spend troubleshooting leaks or misfits.