The APXFA11 is a premium lead-free brass adapter designed to join 1″ PEX-B tubing to standard 1″ female NPT-threaded fittings. Compact, reliable, and easy to install, it delivers leak-free transitions ideal for potable water, hydronic heating, and HVAC systems.
Key Features
Crafted from dezincification-resistant lead-free brass for exceptional durability
Certified safe for potable water—meets UPC, IPC, cUPC, ASTM F877/F1807, CSA B137.5, NSF 14/61, IAPMO, and U.S. Safe Drinking Water Act requirements
Rated for 200 psi pressure and 200 °F temperature
Works with copper crimp rings, stainless-steel pinch clamps, or crimp sleeves (ASTM F1807/F2098-compatible)
25-year limited manufacturer warranty included
Applications & Installation
Perfect for transitioning PEX to threaded valves, fixtures, boilers, radiators, and manifolds
Ideal for potable water, hydronic heating, and HVAC plumbing systems
Works with crimp, clamp, or sleeve methods—no soldering, glues, or solvents required
Compact size simplifies installations in tight spaces
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