RO Feed Water Adapter 1/2 to 1/4 & 3/8" with Shut-Off Valve
RO Feed Water Adapter with Shut-Off Ball Valve – 1/2" to 1/4" & 3/8"
Upgrade your under-sink water filtration setup with this durable RO Feed Water Adapter. Designed to connect your reverse osmosis system to standard 1/2" cold or hot water supply lines, this tee adapter splits the feed into 1/4" and 3/8" outlets — giving you flexible, leak-resistant connections right out of the box. The integrated shut-off ball valve lets you control water flow without having to shut off the main supply, making filter changes and maintenance a breeze.
Made in Mainland China.
Why You'll Love This Adapter
- Versatile Sizing: Converts a 1/2" water line to both 1/4" and 3/8" outlets — compatible with most standard RO and under-sink filter systems.
- Built-In Shut-Off Valve: Conveniently stop water flow to your filter without turning off your home's main water supply.
- 304 Stainless Steel Construction: Corrosion-resistant and long-lasting, built to handle both hot and cold water lines.
- Easy DIY Installation: Simple tee design threads onto standard pipe fittings — no special tools required.
- Universal Application: Ideal for RO systems, under-sink water filters, and other home water purification setups.
Product Specifications
| Material | 304 Stainless Steel |
| Inlet Size | 1/2 Inch |
| Outlet Sizes | 1/4 Inch & 3/8 Inch |
| Valve Type | Shut-Off Ball Valve |
| Compatible With | Hot & Cold Water Pipes |
| Package Contents | 1 Set (Adapter + Shut-Off Valve) |
| Country of Origin | Mainland China |
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Frequently Asked Questions
Q: What pipe sizes does this RO feed water adapter support?
A: This adapter is designed to connect a standard 1/2-inch water supply line and split it into 1/4-inch and 3/8-inch outlets, making it compatible with the most common reverse osmosis and under-sink water filter tubing sizes.
Q: Can this adapter be used on both hot and cold water lines?
A: Yes! The 304 stainless steel construction makes this adapter suitable for both hot and cold water supply pipes, giving you maximum flexibility for your installation.
Q: Is the shut-off valve included in the set?
A: Yes, the package includes 1 complete set with both the tee adapter and the integrated shut-off ball valve, so you have everything you need for a straightforward installation.
Q: Do I need a plumber to install this RO feed water adapter?
A: Most homeowners with basic DIY skills can install this adapter themselves. It threads onto standard pipe fittings without the need for special tools. However, if you are unsure about your plumbing setup, consulting a professional plumber is always recommended.