Bluonics RO Feed Water Diverter Valve – 1/2” Male & Female Connections, 1/4” Quick Connect for Reverse Osmosis Systems
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Under-Sink RO Feed Water Diverter Valve – 1/2” Connections with 1/4” Quick Connect
Connect your reverse osmosis (RO) drinking water system to your existing cold water supply with the Bluonics RO Feed Water Diverter Valve. Designed for under-sink installation, this convenient adapter provides a dedicated water supply connection for your RO filtration system without drilling into existing plumbing.
Featuring 1/2-inch male and female threaded connections and a 1/4-inch quick-connect outlet, this valve makes it easy to connect compatible reverse osmosis systems and under-sink water filters.
Key Features
- 1/2-inch male and female connections: Designed to fit compatible 1/2-inch threaded cold water supply lines commonly found under kitchen sinks.
- 1/4-inch quick-connect outlet: Accepts standard 1/4-inch outside diameter (OD) RO tubing for a convenient push-to-connect installation.
- Built-in shut-off valve: Features an easy-to-use blue handle that allows you to control the water supply to your filtration system.
- No drilling required: Installs between a compatible cold water shut-off valve and the existing faucet supply line.
- Versatile compatibility: Suitable for many reverse osmosis drinking water systems and under-sink filtration setups using 1/4-inch OD tubing.
- Compact design: Fits conveniently beneath kitchen sinks without requiring extensive plumbing modifications.
Product Specifications
Product type: RO feed water diverter valve / water supply adapter
Brand: Bluonics
SKU: RO-DIV-PART-HLF
Main connections: 1/2-inch male and female threaded connections
RO tubing connection: 1/4-inch OD quick-connect fitting
Installation location: Under-sink cold water supply line
Application: Reverse osmosis systems and compatible under-sink water filtration systems
Installation Overview
The Bluonics RO diverter valve connects to your existing cold water supply line beneath the sink.
- Turn off the cold water supply.
- Disconnect the faucet supply line from the existing shut-off valve.
- Install the RO diverter valve between the compatible shut-off valve and faucet supply line.
- Insert your 1/4-inch OD RO tubing into the quick-connect outlet.
- Restore the water supply and carefully check all connections for leaks.
Important: Confirm your existing plumbing thread size and connection type before purchasing. This valve is intended for compatible cold water supply connections.
Inventory Last Updated: Oct 31, 2026