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The WATTS 0651140 is a push-to-connect tube-to-tube fitting designed for fast, tool-free connections in plumbing and fluid-handling systems. Constructed from brass with an EPDM O-ring, it accepts 3/4-inch OD tubing on both ends and creates a secure, leak-resistant joint without soldering, compression ferrules, or threading. The brass body provides corrosion resistance suited to potable water, hydronic, and light commercial applications. Licensed plumbers and experienced tradespeople install this fitting where speed and reliability are required in copper or compatible OD tubing systems.
This fitting is used in residential and light commercial plumbing installations where straight tube-to-tube connections are needed. Typical scenarios include water supply lines, hydronic heating distribution, and repair work requiring a quick, dependable connection without a torch or specialized tooling. The push-to-connect design makes it well-suited for confined spaces and retrofit jobs where soldering is impractical.
Designed as an OEM-style push-to-connect replacement fitting for 3/4-inch OD tubing applications in residential and light commercial plumbing systems.
Installation is performed by licensed plumbers or qualified tradespeople following applicable IPC and local plumbing code requirements. Before installation, shut off the water supply and relieve system pressure. Ensure tubing ends are cut square, deburred, and free of debris before inserting into the fitting. To disconnect, use a release collar or appropriate push-to-connect disconnect clip to avoid damaging the O-ring seat.
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