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Six matte black knurled compression fittings with G1/4 threads for 16mm hard tube

Alphacool

Alphacool 1012844 HT 16mm HardTube Compression Fitting G1/4 Deep Black Six Pack

SKU CH-59XK-EANT8 MPN 1012844

Six-pack of G1/4 compression fittings for 16mm hard tubes with knurled Deep Black finish

  • FeaturesThe Alphacool HT Compression fitting is a true masterpiece.
  • Secure leak-free seal with dual O-ring design
  • Fits 16mm hard tubes for precise custom loops
  • G1/4 thread ensures broad component compatibility
  • Knurled grip allows tool-free hand tightening
  • Deep black finish matches stealth build aesthetics

Six-pack compression fittings for 16mm hard tubes

The Alphacool HT compression fittings ship as a set of six G1/4 connectors designed for 16mm outer-diameter hard tubes in plexi or brass. Each fitting uses a knurled union nut and dual O-ring arrangement to create a reliable seal in custom liquid-cooling loops. The Deep Black finish suits colour-coordinated builds.

Hand-tight seal with Allen-key option

Installation follows a simple sequence: slide the union nut onto the tube, add the protective plastic disc and thick O-ring, insert the tube until the second O-ring seats, then tighten the nut. The knurled body allows firm hand tightening, while the base accepts an 8 mm Allen key for extra torque without marring the surface.

Durable construction for daily loop maintenance

The all-metal body and precision threads resist deformation during repeated disassembly for cleaning or re-routing. Deep Black coating withstands coolant contact and UV exposure without flaking. G1/4 threads mate with standard water-blocks, radiators and reservoirs, so the six-pack covers a typical CPU-GPU loop with spares for future expansion.

Highlights

  • Secure leak-free seal with dual O-ring design
  • Fits 16mm hard tubes for precise custom loops
  • G1/4 thread ensures broad component compatibility
  • Knurled grip allows tool-free hand tightening
  • Deep black finish matches stealth build aesthetics

Specifications

BrandAlphacool
Model1012844
FeaturesThe Alphacool HT Compression fitting is a true masterpiece. These connectors promise absolute tightness and high quality.
Part Number1012844

Questions about this item

How do I install the Alphacool 1012844 compression fitting on 16mm hard tube, and what step is often missed?

Slide the union nut onto the tube, then add the plastic disc and thick O-ring before inserting the tube into the connector body; the second O-ring seats near the tube end. Tighten the union nut and secure the base with an 8mm Allen key. The plastic disc is frequently omitted, risking O-ring damage.

What maintenance or replacement will the Alphacool 1012844 fittings need over time?

The O-rings and plastic discs inside each fitting can degrade or crack after repeated disassembly or long-term coolant exposure. Keep spare O-rings and discs for the 16mm size so you can refresh the seal without replacing the whole fitting.

What limit appears first when the Alphacool 1012844 fittings run under sustained pressure and heat?

The O-ring material sets the practical temperature and pressure ceiling; prolonged high coolant temperatures can harden the seals and reduce clamping force on the 16mm tube, leading to slow leaks before the metal body shows any fatigue.

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