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Cylindrical black reservoir, 250 mm tall, 50 mm wide, POM end caps, clear acrylic tube

Alphacool

Alphacool 15719 DIY Cooling 250 mm 50 mm reservoir

SKU CH-SGR5-V20NB MPN 15719

A 250 mm tall, 50 mm diameter reservoir with three G1/4″ ports and removable riser tube for horizontal or vertical mounting

  • Product colorBlack
  • Key featuresAlphacool Repack reservoirs are an economical way to add or
  • Economical reservoir kit includes all mounting hardware
  • 250 mm height fits tall case layouts
  • 50 mm diameter suits compact loop routing
  • Three G1/4" ports enable flexible tubing runs
  • Removable riser tube allows horizontal or vertical mounting

Compact tube reservoir

The Alphacool 15719 is a cylindrical reservoir for custom water-cooling loops. It uses a 250 mm high Plexiglas tube with POM end pieces and three G1/4" ports. The unit ships with transparent mounts for discreet installation inside a PC case.

Suits single-loop builds needing a slim profile

Builders who want a narrow 50 mm diameter tube that can be mounted vertically or horizontally will find this reservoir convenient. It is not for loops that require integrated pump tops, multiple independent chambers or a pre-drilled LED mounting hole.

Three G1/4" ports define connectivity

The top piece includes an extra thread for a fill-port fitting, while the removable riser tube allows the upper port to serve as an inlet. Every port uses the standard G1/4" thread, so fitting choice remains open.

How it compares

Measured against everything we stock in Heatsinks & Water Blocks, at today’s prices. Recalculated every night.

Price $39.99
Pricier than about 75% of the 609 comparable items (median $15.99).

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Specifications

Product
Brand nameAlphacool
Model name15719
Part number45222
Product colorBlack

Questions about this item

What thread standard do the three ports use, and what does that limit for fittings?

All three ports are G1/4" threads, so only fittings with matching G1/4" threads can be used directly.

What are the height and diameter that determine if it fits in my case?

The reservoir is 250 mm tall and 50 mm in diameter, so check your case clearance against those dimensions.

How is it mounted, and what step is often missed when orienting it horizontally?

Use the included transparent mounts; when installing horizontally, remember to remove the internal riser tube so the top port can function as an inlet.

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