1/2" x 3/8" Angle Supply Stop Valve, 1/4 Quarter Turn, Lead-Free, Chrome

BrassCraft PLB104XP 1/2" Crimp PEX x 3/8" Compression Angle Stop Valve – 1/4 Turn Ball Valve for Fixture Isolation

The BrassCraft PLB104XP is a quarter-turn angle stop valve featuring a 1/2" nominal PEX crimp barb inlet and a 3/8" OD compression outlet, making it a reliable option for controlling water flow to individual plumbing fixtures in PEX systems. This valve is designed for use in residential water distribution lines and provides a secure shut-off point for applications such as lavatories, toilets, and kitchen faucets.

Constructed from forged brass for enhanced durability, the valve supports a working pressure of up to 125 PSI and is rated for service temperatures between 40°F and 140°F. The internal ball valve mechanism allows for quick on/off actuation with a quarter-turn of the handle, reducing the risk of wear common to multi-turn designs.

Product Features

• Inlet Connection: 1/2" PEX barb, compatible with ASTM F1807 crimp systems
• Outlet Connection: 3/8" OD compression for standard fixture supply lines
• Valve Type: 1/4 turn ball valve for rapid shut-off
• Body Material: Forged brass, corrosion-resistant and lead-compliant
• Pressure Rating: Maximum 125 PSI
• Temperature Rating: 40°F to 140°F

Application and Installation Notes

This valve is designed for use in PEX plumbing systems and should be installed using appropriate crimp ring tools to ensure leak-free performance. The compact, right-angle configuration is ideal for confined spaces behind walls or within cabinets. Always verify local code compliance when selecting and installing supply stops.

Key Advantages for Trade Professionals

• Quarter-turn operation reduces installation and service time
• Durable forged brass body supports longevity in high-use environments
• Compression outlet supports common fixture hookups without adapter fittings
• Compact form factor suitable for retrofit or new construction applications

Technical Specifications

• Model: PLB104XP
• Inlet: 1/2 in. PEX (F1807 crimp)
• Outlet: 3/8 in. OD compression
• Max Pressure: 125 PSI
• Temp Range: 40°F to 140°F
• Operation: 1/4 turn