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The MCGUIRE LF165F is a flexible chrome-plated lavatory supply kit designed for connecting shut-off valves to lavatory faucets in residential and light commercial plumbing installations. Sized at 3/8 inch IPS inlet by 3/8 inch OD outlet, this supply line features a set screw escutcheon flange that provides a clean, finished appearance at the wall or floor penetration. The chrome plating delivers corrosion resistance suited to exposed under-sink installations. Licensed plumbers and professional pipefitters are the typical installers for this type of fitting.
This lavatory supply kit is intended for use in bathroom vanity installations where a flexible connection is needed between the angle stop and the faucet supply port. The 3/8 inch IPS x 3/8 inch OD configuration is a widely used size in standard residential lavatory rough-in applications. The set screw flange secures to the supply stub-out, keeping the escutcheon firmly in place against the finished wall surface without adhesives or caulk.
Designed as an OEM-style replacement or new-installation supply line for standard residential and light commercial lavatory faucet applications requiring a 3/8 inch IPS x 3/8 inch OD flexible supply connection.
Installation is performed by a licensed plumber or qualified pipefitter. Shut off the water supply at the main or at the angle stop before beginning work and relieve line pressure before disconnecting any existing supply. Hand-tighten connections first, then use an appropriate wrench to snug fittings without overtightening, which can crack chrome-plated nuts or damage ferrules. Verify the local plumbing code requirements under IPC guidelines for supply line material and pressure ratings before installation.
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