The RAIJINTEK RJK – DRAINING VALVE is the ultimate maintenance solution for high-end PC water cooling systems, engineered to simplify the coolant replacement process. Precision-machined from high-quality solid brass, this premium ball-valve fitting features standard G1/4” threads, ensuring seamless integration with radiators, reservoirs, and custom loops. The internal architecture is optimized for high-flow performance, allowing for rapid system drainage without causing obstruction during normal operation. Every unit is meticulously nickel-plated for superior corrosion resistance and features a reliable, leak-free mechanical seal. Sturdy, reliable, and exceptionally user-friendly, the RJK – DRAINING VALVE is an essential component for any DIY enthusiast looking to build a professional and maintainable liquid cooling setup.