Flair-It | PEX 1/2" BARB X 1/2" MPT ADAPTER BRASS | 51122 | Brass | Single | Straight

The Flair-It 51122 PEX 1/2" Barb x 1/2" MPT Adapter Brass is a durable, high-performance fitting designed to connect PEX tubing to threaded plumbing components with confidence. Featuring a 1/2-inch PEX barb on one end and a 1/2-inch male pipe thread (MPT) on the other, this straight adapter provides a secure transition between flexible PEX lines and rigid threaded connections.

Constructed from solid brass, the 51122 offers excellent strength, corrosion resistance, and long-term reliability in both hot and cold water applications. The barb end ensures a tight grip on PEX tubing when used with appropriate clamps or crimp rings, while the precision-cut male threads deliver a leak-resistant seal when paired with compatible female fittings.

Ideal for RV, marine, and residential plumbing systems, this adapter is built to handle demanding conditions while maintaining consistent performance.

Key Features:

• 1/2" PEX barb x 1/2" MPT straight adapter
• Durable brass construction for strength and corrosion resistance
• Compatible with standard PEX tubing systems
• Secure barb connection (use with clamps or crimp rings)
• Precision male threads for reliable sealing
• Suitable for hot and cold water applications
• Ideal for RV, marine, and residential plumbing installations

Whether you’re making a repair or building out a new system, the Flair-It 51122 provides a strong, dependable connection you can trust.