Meet the Uponor x MIP Transition Full-Port Ball Valve—a precision-crafted, labor-saving powerhouse that seamlessly connects PEX‑a piping to ½" Male Iron Pipe (MIP) without unnecessary joints, seals, or risk of leaks.

Critical Specs & Certified Performance

• Material: Lead-free, dezincification-resistant brass with stainless steel internals for unmatched durability.

• Connection: ProPEX (PEX‑a) expansion end to ½" MIP — full-port design ensures maximum flow and minimal pressure drop

• Pressures & Temperatures (from Uponor official documentation):

  • 160 psi at 73 °F

  • 100 psi at 180 °F

  • 80 psi at 200 °F

  • 149 psi at 210 °F 

• Certifications: UPC, IPC, IRC, NSF‑ANSI 61 & 372 — fully compliant for potable water systems 

• Installation Efficiency:

  • Installs up to 66% faster than traditional valve + adapter setups, even in tight spaces.

  • Occupies 50% less installation space—massive advantage in retrofit or mechanical closets.

  • Full-port design cuts pressure drop by 20% for cleaner, more reliable water flow.

• Warranty: Robust 5-year coverage delivers confidence on every job Uponor.

Why This Valve Wins on the Jobsite

Stop wasting time wrestling with adapters. This valve is a one-and-done, full-port powerhouse that gives you a cleaner install, fewer leak points, and better long-term performance. It's what you choose when "good enough" just isn’t good enough. 

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