Thermaltake

Thermaltake CL-W087-CU00BL-A Pacific Drain Valve DIY LCS

Simplify custom loop maintenance with Thermaltake's leak-free G1/4" drain valve for quick, mess-free coolant changes.

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Overview

The Thermaltake Pacific Drain Valve (CL-W087-CU00BL-A) is a purpose-built component designed to make maintaining a custom liquid cooling loop significantly less tedious. Rather than disconnecting fittings and risking spills every time you need to flush or replace coolant, this valve provides a dedicated drain point that you can open and close on demand. Its ceramic construction sets it apart from cheaper plastic alternatives, offering better chemical resistance against the various coolant formulations used in enthusiast builds.

Installation is straightforward thanks to the standard G1/4" thread, which is the universal fitting size across nearly all custom loop hardware. The valve's compact black housing blends into most builds without drawing attention, and its leak-free design means you can install it and trust that it won't seep coolant while closed. For builders who perform regular maintenance — whether swapping coolant colors, cleaning radiators, or upgrading components — having a dedicated drain valve like this one turns a 30-minute disassembly job into a quick, controlled drain.

Key Features

Made of high quality ceramics, the Pacific drain valve comes with dust-free and leak-free design, which allows proper connection to G1/4” thread

Remarkable Expansion

Ideal Product

Specifications

Brand
Thermaltake
Model
CL-W087-CU00BL-A
Type
DIY LCS Drain Valve
Thread Size
G1/4"
Material
Ceramic
Color
Black
Design
Leak-free, dust-free

Frequently Asked Questions

It uses a standard G1/4" thread, which is compatible with the vast majority of custom liquid cooling fittings and components.
While it can physically connect anywhere with a G1/4" port, it works best installed at the lowest point of your loop so gravity assists with draining.
Yes, it features a ceramic construction with a leak-free design that provides a reliable seal when the valve is in the closed position.
The valve itself connects via G1/4" threads, so it works with any fitting type — you just need the appropriate G1/4" adapter or fitting for your tubing choice.