The 1/4" x 3/8" x 3/8" reverse osmosis shut-off valve (Reference: B10895542 ) is an essential component for ensuring efficient water flow control in domestic purification and filtration systems. Designed as a universal valve, this part allows for a secure connection between the mains water supply and the purification equipment, facilitating maintenance, filter replacement, and reverse osmosis system installation without needing to shut off the main water supply to the home.

Made from highly resistant and durable materials, this stop valve ensures optimal sealing and prevents unwanted leaks. Its quick-closing mechanism provides precise and convenient flow control, making it an indispensable replacement part for both plumbing professionals and homeowners installing their own water treatment systems.

Main Features

• Universal compatibility: Designed to fit the vast majority of reverse osmosis equipment and filtration systems on the market.


• Standard measurements: 1/4" x 3/8" x 3/8" connections, ideal for purified water conduit pipes and general network.


• Efficient control: Allows you to open or close the water supply to the equipment independently and quickly.


• High durability: Constructed with materials resistant to corrosion and the constant pressure of drinking water.


• Easy installation: Secure connection system that facilitates assembly without requiring complex tools.

Frequently Asked Questions

What is the purpose of this shut-off valve on a reverse osmosis system?

This valve connects the reverse osmosis system to the water supply and allows you to shut off the water flow independently. This is especially useful when performing maintenance tasks, such as changing filter cartridges or sanitizing the tank, without affecting the other taps in the house.

Is it compatible with any brand of reverse osmosis system?

Yes, thanks to its universal design and standardized measurements of 1/4" and 3/8", it is compatible with the vast majority of residential water filtration and purification systems available on the market.

Are special tools required for installation?

No complex tools are required. Its connection system is designed for intuitive and secure assembly, ensuring a perfect fit with the plastic pipes commonly used in these water circuits.