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    The union features a solder cup and male NPT threads. The fitting is used to allow repair to the line without damage, as well as adapt from a solder connection to a threaded connection. Please refer to NIBCO technical data sheets and catalogs for engineering and installation information. In addition to its inherent qualities of beauty, durability and low maintenance, copper's reusability makes it an ideal application in sustainable projects. NIBCO® copper fittings are backed by a 50-year limited warranty. Because of its longstanding reputation for innovation and precision in design and manufacturing, NIBCO is the preferred brand in the industry.
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    Unit of Measure
    Items
    Union C x M - Cast, Lead-Free, 733-4-LF

    Union C x M - Forged, Lead-Free, 733-4-LF
    Union C x M - Cast, Lead-Free, 733-4-LF

    Union C x M - Forged, Lead-Free, 733-4-LF
    Union C x M - Cast, Lead-Free, 733-4-LF

    Union C x M - Forged, Lead-Free, 733-4-LF
    Union C x M - Cast, Lead-Free, 733-4-LF

    Union C x M - Forged, Lead-Free, 733-4-LF
    Union C x M - Cast, Lead-Free, 733-4-LF

    Union C x M - Forged, Lead-Free, 733-4-LF
    UPC Code N/A 039923338242 N/A 039923338112 N/A 039923300126 N/A 039923300133 N/A 039923300119
    eClass Classification N/A
    All Type of Item N/A Fitting
    All Special Application N/A Lead-Free*
    Color N/A
    Description N/A 733-4-LF 1/4 CXM UNION, FORGED N/A 733-4-LF 3/8 CXM UNION, FORGED N/A 733-4-LF 1/2 CXM UNION FORGED N/A 733-4-LF 3/4 CXM UNION, FORGED N/A 733-4-LF 1 CXM UNION, FORGED
    Nominal Size 1 N/A
    Nominal Size 2 N/A
    Type N/A Union
    Connection Type N/A C x M (NPT)
    Weight N/A 0.133 lb N/A 0.197 lb N/A 0.291 lb N/A 0.427 lb N/A 0.636 lb
    Size N/A 1/4 N/A 3/8 N/A 1/2 N/A 3/4 N/A 1
    Material N/A Lead-Free Bronze