R410a Brass Vacuum Pump Adapter 5/16 SAE to 1/4 SAE Quick Coupler

Vacuum Pump Brass Adapter — R410a 5/16 SAE Female to 1/4 SAE Quick Coupler

Keep your HVAC and air conditioning work running smoothly with this precision-machined brass vacuum pump adapter. Designed to convert a 5/16" SAE female fitting to a 1/4" SAE connection, this quick coupler makes it easy to connect your vacuum pump or manifold gauge set to R410a refrigerant lines — no threading hassle, just a secure, fast-connect fit every time.

Crafted from a durable aluminium-copper (brass) alloy, this adapter is built to withstand repeated use in demanding HVAC service environments. Its compact, ergonomic form factor allows for easy hand-tightening, and the quick-release coupler design speeds up your workflow on the job or in the workshop.

Key Features

• Material: Aluminium-copper alloy (brass) for excellent durability and corrosion resistance
• Fitting Size: 5/16" SAE Female inlet × 1/4" SAE outlet
• Compatible Refrigerant: Designed for R410a air conditioning systems
• Quick Coupler Design: Fast, secure connection for vacuum pumps and manifold gauges
• Compact & Lightweight: Easy to carry and store in your HVAC toolkit
• Reusable & Reliable: Built for repeated daily use in professional and DIY HVAC applications

What's in the Box

• 2 × Vacuum Pump Brass Adapter (5/16" SAE F to 1/4" SAE Quick Coupler)

Who Is This For?

This adapter is ideal for HVAC technicians, refrigeration engineers, and DIY air conditioning enthusiasts who need a reliable, leak-free connection between their vacuum pump and R410a service ports. Whether you're evacuating a system before a refrigerant charge or connecting manifold gauges for diagnostics, this quick coupler keeps your setup clean and efficient.

Note: Product color may vary slightly from images displayed on screen due to monitor brightness and lighting conditions.

For more information on safe handling of refrigerants and HVAC best practices, visit the U.S. EPA Section 608 Refrigerant Management resource.

Frequently Asked Questions

Q: What does this vacuum pump brass adapter do?

A: This adapter converts a 5/16" SAE female fitting to a 1/4" SAE quick coupler connection, allowing you to easily connect a vacuum pump or manifold gauge set to R410a air conditioning service ports. It provides a secure, fast-release connection that streamlines HVAC service work.

Q: What material is this R410a brass adapter made from?

A: It is machined from an aluminium-copper alloy (brass), which provides excellent strength, corrosion resistance, and a long service life even with frequent use in HVAC and refrigeration environments.

Q: Is this adapter compatible with R410a refrigerant systems?

A: Yes, this adapter is specifically designed for use with R410a refrigerant systems, making it suitable for most modern residential and commercial air conditioning units that use R410a.

Q: How many adapters are included in the pack?

A: The pack includes 2 × brass quick coupler adapters, so you have a spare on hand or can equip two vacuum pumps or manifold gauge sets simultaneously.