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The B38;K LLC 993-016NL is a lead-free brass supply stop extender tee designed to create a branch outlet from an existing supply stop valve. It connects with a 3/8 inches female inlet and two 3/8 inches male outlets, using a swivel screw-on hookup for straightforward installation without special tools. Constructed from brass, this fitting meets lead-free requirements for potable water applications. Licensed plumbers and experienced DIYers install this tee to split a single supply stop into two service points, eliminating the need to add a separate shut-off valve when connecting an appliance or accessory.
This fitting is used in residential plumbing applications where a single supply stop must serve both the primary fixture and an additional appliance or accessory. It supports hot or cold water lines and is suited for connecting icemakers, dishwashers, water filters, and similar accessories that require either 1/4 inches outer diameter or 3/8 inches outer diameter water supply tubing. Typical install locations include under kitchen and bathroom sinks where supply stops are already present.
Designed for use with standard residential supply stop valves on hot or cold water lines to connect icemakers, dishwashers, water filters, or other accessories requiring 1/4 inches outer diameter or 3/8 inches outer diameter water supply tubing.
Installation is typically performed by a licensed plumber or qualified tradesperson in accordance with local plumbing codes and the International Plumbing Code (IPC). Shut off the water supply and depressurize the line before disassembling any existing supply stop connections. Hand-tighten the swivel fitting first, then snug with an adjustable wrench — do not overtighten brass fittings, as this can damage threads or distort the swivel seat. Inspect for leaks at both outlets after restoring water pressure.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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