Uponor Q4691000 – 1" ProPEX Ring with StopThe Uponor Q4691000 is a 1" ProPEX Ring with Stop, designed for use with PEX-a tubing in cold-expansion plumbing systems. Constructed from durable PEX-a material, the ring features an integrated stop for accurate placement and reliable, consistent connections. It is suitable for a wide range of residential and commercial applications, including potable water and hydronic systems.Features Compatible with 1" PEX-a tubing Made from high-quality cross-linked polyethylene (PEX-a) Integral stop ensures proper installation depth Designed for use with ASTM F1960 cold-expansion fittings Ideal for potable water, radiant heating, and fire safety systems Provides a secure, leak-resistant connection when used with ProPEX expansion tools Certified to meet industry standards and code requirements PUPON00015