Uponor Q4690756 – 3/4" ProPEX Ring with StopThe Uponor Q4690756 is a 3/4" ProPEX Ring with Stop, designed for use with PEX-a tubing in cold-expansion plumbing systems. Made from durable PEX-a material, the ring features an integral stop to ensure proper ring placement and reliable, consistent connections. This component is ideal for use in residential or commercial plumbing, hydronic heating, and fire safety systems utilizing the ProPEX connection method.Features Compatible with 3/4" PEX-a tubing Made from durable, cross-linked polyethylene (PEX-a) Integral stop ensures proper installation depth Designed for use with ASTM F1960 cold-expansion fittings Suitable for potable water systems, hydronic heating, and fire safety applications Provides a secure, leak-resistant connection when used with ProPEX expansion tools Third-party certified for performance and code compliance PUPON00012