FlareSeal 3/8" SAE Flare Gasket 10-Pack — Clip-On Copper Multi-Ring Seal for HVAC/R Leak Repair

FlareSeal 3/8" is a clip-on copper flare gasket with a multi-ring sealing surface and protective coating that prevents leaks on SAE 45° flare fittings, Schrader valves and mini-split connections.

Engineered for HVAC and refrigeration professionals, the FlareSeal FS06-10PK brings a compact, reliable solution to stubborn flare leaks and imperfect mating surfaces. Each gasket combines a precision-formed multi-ring flare face with a full-surface leak-resistant coating applied to the copper substrate. The result is a durable seal that clips onto the male flare, compensates for minor scratches and alignment issues, and works on new installations or to stop an existing leak without re-flaring or replacing fittings.

How does FlareSeal stop leaks on a 3/8" SAE flare fitting?

The FlareSeal’s concentric ring pattern compresses against the female flare seating surface to create multiple sealing points, while the coating fills micro-gaps and surface damage. It clips securely over the male flare so installation is fast and consistent.

• Multi-ring flare face forms several independent seals for redundancy.
• Leak-resistant coating reduces porosity and fills scratches.
• Clip-on fit locks the gasket in place for repeatable performance.
• Works on both new and existing fittings without machining.

Can I use this gasket on Schrader valves, mini-splits, or VRV systems?

Yes. The 3/8" FlareSeal fits many service and connection points found in ductless mini-splits, VRV systems, pilot lines and Schrader valve assemblies. It’s sized to address common SAE 45° flare interfaces across HVACR equipment.

• Compatible with Schrader valve applications when paired with a flare cap.
• Suitable for thermostatic expansion valves, TP/LP lines, and filter driers.
• Works on both copper and brass flare fittings used in ductless systems.

What are the installation steps and how long does it take?

Installation is intentionally simple: slide the FlareSeal onto the male flare, assemble the flare nut or cap, and tighten to the manufacturer’s torque specs. Most installs take under a minute and don’t require special tools or reworking the flare.

• Clip the gasket onto the male flare shoulder.
• Align the female flare and thread on the flare nut or cap.
• Tighten to recommended torque; no re-flaring needed.
• Quick fix for field repairs and new connections alike.

How durable is the FlareSeal 3/8" and when should I replace it?

Made from copper with a full-surface protective coating, the FlareSeal resists deformation and corrosion under normal HVACR service conditions. Replace when signs of physical damage, severe corrosion, or persistent leakage remain after correct installation.

• Copper base provides malleability for a tight crush-style seal.
• Protective coating extends service life against contaminants.
• Replacement recommended if gasket is nicked, crushed irregularly, or cannot stop a leak after proper installation.

Who this product is for: HVAC technicians, refrigeration service professionals, and installers of ductless mini-splits or VRV systems who need a fast, dependable way to prevent or repair flare leaks. The FS06-10PK ten-pack is convenient for service trucks and job-site kits, offering a proven, OEM-trusted sealing option for common 3/8" SAE flare connections without extensive rework.

• Features: Easy clip-on installation, stops leaks on new or existing flare fittings, available in multiple sizes, OEM-trusted performance.