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Chrome knurled compression fitting for 16mm hard tube G1/4 thread

Alphacool

Alphacool Eiszapfen 16mm G1/4 HardTube Knurled Compression Fitting Chrome 17265

SKU CH-5BF5-P424Q

Chrome G1/4 compression fitting secures 16 mm hard tubing with knurled nuts and coloured O-rings

  • Product typeFittings
  • Premium chrome finish resists chipping with special surface bonding
  • High-flow design meets every connector requirement for performance
  • Knurled compression nut ensures secure HardTube seating during transport
  • G1/4 thread fits standard water-cooling components directly
  • Includes three coloured O-rings with UV-reactive option

Precision HardTube Fitting

The Alphacool Eiszapfen 17265 is a G1/4 compression fitting engineered for 16mm rigid tubing in custom liquid-cooling loops. Its knurled nut design provides secure finger-tight assembly without tools. The chrome-plated brass construction resists corrosion while delivering a premium metallic finish. This component targets builders who demand exacting fitment and visual consistency in high-end open-loop systems.

High-Flow Thermal Path

Internal geometry is optimised for unrestricted coolant passage, minimising pressure drop across the joint. The slanted nut corners compress the O-ring evenly against the tube wall, creating a reliable seal that withstands vibration and thermal cycling. No moving parts or restrictive adapters are present, so pump workload and loop acoustics remain unaffected. The durable coating process prevents surface degradation that could introduce particulates into the fluid over time.

Colour-Coded Seal Kit

Each fitting ships with three interchangeable O-rings in distinct colours, allowing immediate visual identification of flow paths or aesthetic matching. The supplied UV-reactive option fluoresces under ultraviolet lighting for enhanced loop visibility. This bundled variety eliminates the need to purchase separate seal packs for colour coordination or leak-testing contrast. The knurled nut remains captive during O-ring swaps, simplifying maintenance without risk of lost hardware.

How it compares

Measured against everything we stock in Liquid Cooling & AIO Coolers, at today’s prices. Recalculated every night.

Price $9.99
Cheaper than about 89% of the 1,190 comparable items (median $71.99).

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Specifications

Product
Product typeFittings

Questions about this item

How do I install the Alphacool Eiszapfen 16mm G1/4 hard-tube compression fitting, and what step do people often get wrong?

Push the 16 mm hard tube fully through the knurled nut and O-ring until it bottoms out against the internal stop, then hand-tighten the nut; the step often missed is confirming the tube is completely seated before tightening.

What maintenance or replacement will the Alphacool Eiszapfen 16mm fitting need later?

The three coloured O-rings supplied with the fitting may degrade over time and should be replaced if they lose elasticity or show cracking to maintain a leak-free seal.

What limit appears first on the Alphacool Eiszapfen 16mm fitting under sustained use?

The chrome coating is bonded by a special procedure to resist chipping and peeling, so the first limit under long-term thermal cycling is typically O-ring aging rather than finish degradation.

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