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The WATTS 0652003 is a push-to-connect tube-to-tube fitting designed for fast, tool-free connections in potable water plumbing systems. Manufactured from lead-free brass, this fitting meets the material requirements for drinking water applications. It connects 3/4 inch OD tubing on one end to 1/2 inch OD tubing on the other, making it a practical reducer fitting for transitions between two common tube sizes. EPDM o-rings provide a reliable internal seal rated to 250 psi working pressure. Licensed plumbers and pipefitters install this fitting in residential and light commercial supply lines where a quick, secure connection is required without soldering or threading.
This fitting is suited for potable water distribution systems where copper, PEX, or compatible OD tubing is used. The push-to-connect design allows insertion of prepared tubing ends directly into the fitting body, locking in place without additional fittings, solder, or adhesive. It is commonly found in under-sink supply runs, manifold branch lines, and retrofit installations where access is limited and speed of connection is a priority.
Designed for potable water plumbing systems using tubing with 3/4 inch and 1/2 inch outside diameters. Suitable for use with copper, PEX, and other tubing types with compatible OD dimensions where push-to-connect fittings are accepted by local code.
Installation is performed by licensed plumbers in accordance with the applicable International Plumbing Code or local authority having jurisdiction. Shut off the water supply and depressurize the line before installing or removing this fitting. Tube ends must be cut cleanly and squarely and deburred before insertion to ensure a proper seal. Do not exceed the rated working pressure of 250 psi.
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