We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in

Bykski

Bykski G 1/4in Female to Female Pull Drain Valve Blue

SKU CH-0B07-46Z0B

A G 1/4in female-to-female pull valve that opens or closes a water-cooling loop for quick draining or filling

  • TypeCPU Block
  • ColorBlue
  • G 1/4 threads accept standard water-cooling fittings on both ends
  • Pull-action valve opens or closes the loop in seconds
  • Female-to-female design creates a sealed drain or fill port anywhere in the line
  • Single-piece brass construction installs in minutes without tools
  • Compact blue finish matches themed builds while resisting corrosion

G 1/4 Inch Drain Valve for Custom Loops

This Bykski pull drain valve fits G 1/4 inch female threads at both ends, letting you create a sealable drain or fill port anywhere in a custom water-cooling loop. It installs in minutes and operates by pulling the end in or out to open or close the flow path. The blue finish adds a colour accent to the build. It is intended for DIY liquid-cooling enthusiasts who need a convenient maintenance point.

Check Thread Compatibility and Clearance

Verify that every component you plan to connect uses standard G 1/4 inch threads, as mismatched pitches will not seal. Ensure there is enough physical space around the chosen mounting spot for the valve body and for the pull action to move freely without hitting tubing, fittings or case panels. Remember that a few drops of coolant can escape during actuation, so position the valve where minor spillage will not damage hardware.

Machined Brass Construction With Pull Mechanism

The valve body is precision machined to accept G 1/4 fittings on both sides, providing a secure, sealable connection for daily operation. Over-tightening can strip the threads, so tighten only to a firm hand-fit. The pull-to-open design allows quick draining or filling without tools, while the blue anodised finish resists corrosion inside the loop.

Highlights

  • G 1/4 threads accept standard water-cooling fittings on both ends
  • Pull-action valve opens or closes the loop in seconds
  • Female-to-female design creates a sealed drain or fill port anywhere in the line
  • Single-piece brass construction installs in minutes without tools
  • Compact blue finish matches themed builds while resisting corrosion

Specifications

TypeCPU Block
ColorBlue

Questions about this item

Does the valve come with any fittings or tubing, or must I supply my own G 1/4 connections?

The package includes only the pull drain valve itself; you will need to provide two G 1/4 fittings and tubing to complete the loop connection.

Is there more than one colour or thread size available for this specific Bykski pull drain valve?

This model is offered only in blue with G 1/4 female threads on both ends; no other colours or thread sizes are listed for this part number.

How much coolant typically escapes when I pull the valve open to drain the loop?

The manufacturer notes that a few drops may escape during actuation, and faster pulling reduces the amount of fluid that leaks out.

New to this? Which coin should you pay with — what to check, what it costs to pay, and what is never asked for.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.