Thermaltake

Thermaltake CL-W030-CA00BL-A Pacific LCS Compression Fitting Black

4.6 (539 reviews)

Achieve Ultimate Cooling Performance The Thermaltake Pacific DIY LCS Compression Fitting is designed for custom PC water cooling configurations. With its black-plated copper finish and quality O-ring, this fitting provides a secure and reliable connection. Ideal for DIY enthusiasts and PC builder...

$9.99*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Achieve Ultimate Cooling Performance

The Thermaltake Pacific DIY LCS Compression Fitting is designed for custom PC water cooling configurations. With its black-plated copper finish and quality O-ring, this fitting provides a secure and reliable connection. Ideal for DIY enthusiasts and PC builders looking for optimal mounting, fitting, and flow.

Specifications:

  • Series: Pacific Series
  • Type: Compression Fitting
  • Material: Black-Plated Copper
  • Size: 1/2" ID x 3/4" OD

Key Features

High Flow Leak Free Design: Fittings allow proper connection to G1/4” ports, securing properly to cooling components while providing an even seal around the tubing.

Black Plated Brass Fitting

Compatible with PVC Tubing: Inner diameter: 1/2” (13 mm) ; Outer diameter: 3/4” (19 mm)

Pre-installed O-Ring

Specifications

Material
Black Plated Brass
Compatible Inner Diameter Tubing
1/2” (13 mm)
Compatible Outer Diameter Tubing
3/4” (19 mm)
Seal Type
Pre-installed O-Ring
Port Size
G1/4”

Pros & Cons

👍 Pros

  • Features a high flow, leak-free design, ensuring proper connection and an even seal around the tubing to prevent coolant loss.
  • Constructed with black plated brass, providing both durability and a sleek aesthetic that integrates well into various liquid cooling setups.
  • Specifically compatible with PVC tubing having a 1/2” (13 mm) inner diameter and 3/4” (19 mm) outer diameter, ensuring a secure fit.
  • Comes with a pre-installed O-Ring, simplifying installation and immediately providing a reliable seal.
  • Designed for efficient liquid cooling systems, helping maintain optimal temperatures for PC components.

👎 Cons

  • Compatibility is limited to specific PVC tubing dimensions (1/2" ID, 3/4" OD), which may not suit all custom liquid cooling builds.
  • As a compression fitting, it requires careful installation to avoid overtightening or damaging the tubing, which can be a delicate process.
  • The black plating is primarily for aesthetics; no performance advantages like improved thermal conductivity are specified due to the coating.
  • While it prevents leaks, the description does not specify its resistance to different types of coolants or additives, which could affect long-term integrity.
  • The product is a single fitting, meaning multiple units are needed for a complete liquid cooling loop, adding to the overall cost.

Frequently Asked Questions

This fitting is compatible with PVC tubing that has an inner diameter of 1/2” (13 mm) and an outer diameter of 3/4” (19 mm).
Yes, it features a high flow leak-free design, allowing for proper connection to G1/4” ports and securing an even seal around the tubing.
The fitting is constructed from black plated brass, offering both durability and a visually appealing finish.
Yes, this Thermaltake Pacific LCS Compression Fitting comes with a pre-installed O-Ring to ensure a secure seal.
The fitting is designed for proper connection to G1/4” ports.