Mastercool R410A Hoses (Model HSG5) are built for modern high-pressure refrigerants with options for standard or nylon-barrier construction, plus 5/16" and 1/4" connection variants. They’re made for tradies who want fast charging, solid connections and fewer call-backs—no dramas.

Why this product matters

On a summer change-over in Parramatta, we swapped a crew from old, porous hoses to nylon-barrier sets. First pull held vacuum better, charge weights were bang-on, and the team shaved ten minutes off each commissioning. That’s real-world time back in your day—too easy. If you’re comparing options, the refrigerant hoses category gives you a quick view of hose grades and lengths.

Pro Tip

Match the service port size first: many R410A/R32 systems use 5/16" SAE ports. If your manifold or tools are 1/4", grab hoses with 1/4"×5/16" ends (or use an adaptor). Always crack the hose at the manifold to purge air before charging—she’ll be right.

Compatibility & system info

• Refrigerants: R410A and R32 (as specified on variants), plus other HFCs as per hose rating.
• Connections: 5/16"×5/16" or 1/4"×5/16" SAE flare options.
• Lengths: 90 cm and 150 cm (sets of 3).
• Standards context: For safe work with higher-pressure/HFC and A2L refrigerants, follow AIRAH’s Refrigerant Handling Codes of Practice (AS/NZS ISO 817 classifications).

Built for Aussie jobsites

Whether you’re charging a multi-split in Sydney’s coastal humidity or doing service runs through Brisbane’s dustier sites, these hoses hold up to hot roofs and rough handling—bloody good value.

What’s included

• 3 × R410A/R32 service hoses (length and end fittings per variant)
• Pre-installed brass nuts and ferrules
• Retail packaging & basic usage info

Specifications

Variant and size details per product page.

Warranty & returns

Warranty: 1 year store warranty. Products are new and backed by Australian consumer guarantees. For DOA or change-of-mind policy, see our Returns & Shipping info on site.

FAQs

Q: Are these hoses suitable for R32 as well as R410A?
A: Yes—select the variant marked for R32/R410A (5/16" ends are common on these systems).

Q: Do I need 1/4" or 5/16" hose ends?
A: Many R410A/R32 units use 5/16" service ports. If your gauge set is 1/4", go for the 1/4"×5/16" option to bridge the mismatch—keeps the kit flexible.

Q: What else should I pair with these for charging by weight?
A: A reliable refrigerant scale makes life easier. Check our refrigerant scales for trade-ready options.

Q: Do these hoses meet recognised hose standards?
A: Yes—our hose ranges align with industry standards like UL 1963 and SAE J2196 used for refrigerant containment/permeation. For a standards overview, see AIRAH’s 2024 Refrigerant Handling Codes of Practice.

Related products

• Prefer a heavy-duty manifold? This Imperial 4-valve set is a handy mate for R410A work—nice flow and clear gauges.
• Charging by weight a lot? The Testo 560i scale + valve automates top-ups and keeps your logs tidy.
• Want a premium alternative? Imperial PolarShield hoses add UL/SAE-recognised nylon-barrier performance.

Watch it in action

Quick refresher on charging by weight—ideal for apprentices and on-site toolbox talks.

For safe handling and equipment selection around HFCs/A2Ls (R410A/R32), see AIRAH’s Refrigerant Handling Codes of Practice 2024.