Protect your entire AC/R system with one complete kit

Refrigerant gas leaks don’t just happen—they build up over time due to moisture and acid. The Errecom RK1421.H3 Ultra Kit doesn’t just seal leaks—it stops the cause of them for good.

Total maintenance in just 24 ml

This 4-in-1 solution treats your entire system with just one easy application. You get leak repair, acid neutralisation, moisture removal, and oil-fouling prevention—all at once.

How it works

Each of the four 6 ml additives targets a specific problem. Used together, they restore performance and stop future damage in any AC or refrigeration system.

• ✅ Repairs refrigerant leaks permanently
• ✅ Neutralises acid and removes damaging moisture
• ✅ Stops oil fouling that clogs internal components
• ✅ Restores your system’s full performance

What’s included in the kit?

You’ll have everything you need to apply the treatment straight into the system without extra tools.

• ✅ 4 x 6 ml Ultra line cartridges (in clamshell packaging)
• ✅ 1 x Flex Hose
• ✅ 1 x ¼" SAE adapter
• ✅ 1 x 5/16" SAE adapter

Product specs

• ✅ Brand: Errecom
• ✅ Part number: ER-RK1421.H3

Perfect for Aussie HVAC tradies looking to stop leaks, restore performance, and protect systems from the inside out—with one simple kit.