The Elkhart Supply 30840 PEXLock straight coupling connects two 1/2-inch PEX tubing sections in compatible plumbing systems. Designed for RVs, trailers and other water supply applications, this durable polymer fitting provides a convenient solution for joining or repairing water lines. The PEXLock system installs using standard household pliers, without specialized crimping tools, and the package includes the required clamps. The fitting is also compatible with PERT tubing and suitable vinyl hose applications. Check tubing size and system requirements before installation.
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