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Twelve copper compression fittings with knurled caps and nickel-plated bases

PrimoChill

PrimoChill 14mm OD Rigid SX Fitting 12 Pack Copper

SKU CH-M3S2-Y22HH

Twelve G 1/4 compression fittings with copper SpectraX caps for 14 mm OD rigid tubing

  • Secure rigid tubing in style with SpectraX powder-coated caps
  • Corrosion-resistant G 1/4in nickel-plated brass bases
  • Tool-free finger-tight installation on 14 mm OD rigid tubing
  • 12-piece pack covers a full custom loop
  • Over 20 finish options to match any build theme

Copper Compression Fittings for Rigid Tubing

This 12 pack of PrimoChill 14mm OD Rigid SX fittings connects hard tubing to water-cooling components using standard G 1/4in threads. The nickel-plated brass bases resist corrosion while the powder-coated copper caps add a consistent metallic finish. They suit builders assembling custom loops with PETG, PMMA or copper tubing. No tools are required for installation.

Integration With Standard Water-Cooling Parts

Each fitting uses industry-standard G 1/4in threads to join radiators, blocks, reservoirs or pumps. The diamond-knurled caps tighten by hand, freeing the builder from carrying specialised tools during assembly. Included bottom sealing o-rings and tubing sleeve seal inserts create a secure seal without extra purchases. The 14mm outer diameter matches common metric rigid tubing sizes.

Sustained Operation in a Pressurised Loop

The nickel-plated brass base maintains its corrosion resistance throughout continuous coolant circulation. Powder-coated caps retain their copper colour under normal operating temperatures without flaking. Finger-tight installation achieves a seal that holds under steady system pressure. Handling with care during maintenance preserves the finish for long-term appearance.

Highlights

  • Secure rigid tubing in style with SpectraX powder-coated caps
  • Corrosion-resistant G 1/4in nickel-plated brass bases
  • Tool-free finger-tight installation on 14 mm OD rigid tubing
  • 12-piece pack covers a full custom loop
  • Over 20 finish options to match any build theme

Specifications

No published specifications for this item yet.

Questions about this item

What thread size do these copper fittings use to connect to water-blocks or radiators?

Each fitting has a G 1/4in. thread on its bright nickel-plated brass base, the industry-standard size for most water-cooling components.

Do the SpectraX powder-coated caps discolour or get hot during continuous loop operation?

The caps are powder-coated for colour consistency and remain at coolant temperature; they do not generate heat themselves and the coating is rated for long-term exposure to loop temperatures.

Which tubing types and accessories are required before these fittings can be installed?

You need 14 mm OD rigid PETG, PMMA or copper tubing; the pack already includes 12 coated caps, 12 nickel-plated bases, 12 bottom sealing O-rings and 12 tubing sleeve seal inserts.

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