The Flair-It PEXLock 1/2 in. PEX X 1/2 in. D FPT Three Way Bypass Valve is engineered to give you flexible, reliable flow control in tight 1/2 in PEX plumbing setups. With two PEX ends and a 1/2 in FPT connection, you can divert, isolate, or route water precisely where you need it—without draining the whole system.
Whether you’re remodeling a bathroom, installing a new fixture, or creating a seasonal by-pass for maintenance, this three-way valve makes it simple to reconfigure piping on the fly. Its compact footprint fits in cramped spaces under sinks, in mechanical rooms, or along small supply runs, delivering dependable performance where space is at a premium.
Key features
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Three-way configuration with two 1/2 in PEX connections and one 1/2 in FPT end for versatile routing options.
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PEXLock integration designed to work smoothly with Flair-It fittings for solid, leak-resistant connections.
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Compact, adaptable design ideal for tight spaces and complex piping layouts.
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Bagged packaging with a single valve per unit for easy handling and inventory management.
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Not push-to-connect—requires appropriate Flair-It PEXLock fittings to complete a secure installation.
Technical details
- End 1: 1/2 in PEX
- End 2: 1/2 in FPT (female pipe thread)
- End 3: 1/2 in PEX
- Brand: Flair-It
- Sub Brand: PEXLock
- Number in Package: 1
Practical usage tips: plan your bypass to minimize stress on joints, ensure proper threading on the FPT end, and align piping to avoid sharp bends near the valve. This valve is a practical solution for servicing fixtures, performing maintenance, or creating temporary bypasses in residential plumbing projects, providing precise control without a full system rework.
