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The BRASSCRAFT 62-8-6X is a reducing union compression fitting from the 62 Series product line, designed to join two tubes of different diameters without soldering or threading. It connects 1/2-inch nominal tubing on one end to 3/8-inch nominal tubing on the other, using compression-style end fittings on both sides. Constructed from brass, the 62-8-6X delivers dependable corrosion resistance and long service life in wet plumbing environments. Licensed plumbers and pipefitters install this type of fitting during new construction, remodel work, and repair of supply lines where a transition between two different tube sizes is required.
This reducing union is suited for residential and light commercial plumbing applications where copper or compatible tubing must transition between 1/2-inch and 3/8-inch nominal sizes. Typical installation scenarios include supply line connections beneath sinks, fixture shutoff transitions, and branch-line reductions in water distribution systems. Compression fittings of this type are commonly used where flame-free connection methods are required or preferred by local code or job conditions.
Designed as an OEM-style compression reducing union for residential and light commercial water supply plumbing systems using 1/2-inch and 3/8-inch nominal copper or compatible tubing.
Installation is performed by a licensed plumber or qualified pipefitter. Shut off the water supply and depressurize the line before disassembly or fitting installation. Ensure tube ends are cut square and deburred before seating into the compression fitting. Hand-tighten the compression nuts first, then use a wrench for a final snug turn — avoid overtightening, which can deform the ferrule and cause leaks. Verify local plumbing code compliance, as some jurisdictions have restrictions on compression fitting use in concealed locations.
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