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Brass extension coupler, male to female G 1/4 inch, knurled finish

PrimoChill

PrimoChill G 1/4in 7.5mm SX Extension Coupler diy cooling

SKU CH-ZZGX-10RP7

Male-to-female G 1/4in extension adds 7.5mm height for fitting clearance in custom loops

  • TypeCPU Block

GroupWaterCoolingOption UV Pink

Show 9 more configurations

Struck-through versions exist but are not stocked here.

  • Adds 7.5mm clearance with low-profile G 1/4in extension
  • Male-to-female thread connects any standard G 1/4in fitting
  • Coated brass body resists corrosion in custom loops
  • Pre-installed sealing ring on male side prevents leaks
  • 5mm total height keeps builds compact

Extension Coupler for Custom Loops

This PrimoChill G 1/4in coupler adds 7.5mm of reach between a component and a fitting. It solves clearance problems in tight custom water-cooling builds where a standard fitting sits too close to a block, radiator or reservoir. The male-to-female design threads directly into any G 1/4in port without adapters.

Passive Brass Construction

Coated brass material adds no active heat, noise or power draw to the loop. The coupler simply extends the fluid path while the installed sealing ring on the male side maintains a leak-free joint. Thermal performance and acoustic profile remain entirely dependent on the surrounding components.

Sealing Ring Included

One sealing ring comes pre-installed on the male thread so the joint is ready to tighten. No extra washers, O-rings or thread tape are bundled. The 20-year-old US brand notes that Candy SX finish tones can vary between knurled and smooth surfaces, which is a cosmetic consideration only.

Highlights

  • Adds 7.5mm clearance with low-profile G 1/4in extension
  • Male-to-female thread connects any standard G 1/4in fitting
  • Coated brass body resists corrosion in custom loops
  • Pre-installed sealing ring on male side prevents leaks
  • 5mm total height keeps builds compact

Specifications

TypeCPU Block

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Questions about this item

How do I install the PrimoChill G 1/4in 7.5mm SX Extension Coupler and what step is often missed?

Thread the male side into the component until the sealing ring contacts the surface, then tighten the female fitting onto the exposed male thread. The step often missed is verifying the ring is seated flush before final torque.

What maintenance or replacement will the PrimoChill G 1/4in 7.5mm SX Extension Coupler need later?

The coated brass body is maintenance-free, but the installed sealing ring on the male thread should be inspected during loop service and replaced if it shows compression set or cracking.

What limit appears first on the PrimoChill G 1/4in 7.5mm SX Extension Coupler under sustained use?

The 7.5 mm solid height adds fixed stack length; in tight builds the combined 12.5 mm installed height can contact adjacent components before thermal or pressure limits are reached.

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