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

Keep your HVAC and refrigeration work running smoothly with this Brass R410a Vacuum Pump Adapter. Designed to convert a 5/16" SAE female port to a 1/4" SAE connection, this quick-coupler adapter lets you connect your vacuum pump to R410a manifold gauges and air conditioning service equipment without hassle. A practical addition to any HVAC technician's toolkit.

Crafted from a durable aluminium-copper alloy, this adapter is built to handle the demands of regular professional use. The brass construction ensures a secure, leak-resistant seal, while the quick-coupler design allows for fast, tool-free connections and disconnections — saving you time on every job.

Key Features

• Material: Aluminium-copper alloy (brass) for long-lasting durability
• Fitting Size: 5/16" SAE Female to 1/4" SAE connection
• Compatible With: R410a vacuum pumps, manifold gauge sets, and air conditioning service tools
• Quick-Coupler Design: Enables fast, secure connections without extra tools
• Leak-Resistant: Precision-machined threads for a tight, reliable seal
• Compact & Ergonomic: Easy to grip and handle during service work
• Pack of 2: Two adapters included — keep one on hand as a spare

Who Is This For?

This adapter is ideal for HVAC technicians, refrigeration engineers, and DIY enthusiasts who work with R410a refrigerant systems. Whether you're performing a vacuum pull-down, pressure testing, or system recharge, this adapter bridges the gap between your vacuum pump and manifold gauge set quickly and reliably.

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

Frequently Asked Questions

Q: What size fittings does this R410a brass adapter connect?

A: This adapter connects a 5/16" SAE female port to a 1/4" SAE male connection, making it compatible with R410a vacuum pumps and standard manifold gauge sets used in air conditioning service work.

Q: What material is this vacuum pump adapter made from?

A: The adapter is constructed from an aluminium-copper alloy (brass), which provides excellent durability, corrosion resistance, and a leak-resistant seal — ensuring reliable performance across repeated uses.

Q: How many adapters come in this set?

A: This listing includes a pack of 2 brass R410a quick-coupler adapters, so you'll always have a spare available for your toolkit.

Q: Is this adapter suitable for R410a refrigerant systems?

A: Yes. This adapter is specifically designed for use with R410a refrigerant systems, making it compatible with modern air conditioning and HVAC service equipment that uses 5/16" SAE fittings.