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The Eastman EZ-65339LF is a lead-free brass compression union fitting designed for use with 3/8 inch OD tubing. Compression unions create a secure, leak-resistant connection between two runs of tubing without soldering, using compression nuts and ferrules that seat against the fitting body. This fitting is constructed from brass, which provides corrosion resistance and durability in potable water and general plumbing applications. The lead-free designation makes it suitable for use in systems that carry drinking water in jurisdictions that enforce low-lead content requirements. Plumbers and pipefitters are the primary installers for this type of fitting.
This compression union is used in residential and light commercial plumbing systems where two sections of 3/8 inch OD tubing must be joined in a straight run. Typical applications include supply lines for faucets, refrigerators, ice makers, and other fixture connections where copper or plastic tubing is routed through tight spaces. The compression-style connection is well suited for situations where a torch-free, serviceable connection is preferred or required.
Designed as an OEM-style replacement or new-installation compression union for 3/8 inch OD copper or compatible plastic tubing in residential and light commercial plumbing supply line applications.
Installation is typically performed by a licensed plumber. Shut off the water supply and relieve line pressure before cutting into any existing supply line. Hand-tighten compression nuts onto the fitting body, then snug with a wrench — avoid overtightening, which can deform the ferrule and cause leaks. Verify local plumbing code compliance, including applicable IPC requirements, before installation in potable water systems.
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