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Water Safety & Flow Control



Lead Free* 2-Piece, Full Port, Brass Ball Valves

Lead Free* Models Available


1/4 to 3 in. (8 to 80mm)


Series LFFBV-4, LFFBVS-4 2-Piece, Full Port, Brass Ball Valves are suitable for a full range of liquids and gases in residential and commercial applications.

These valves feature an adjustable packing for longer service life, a bottom loaded blow-out proof stem for safety, a fluorocarbon elastomer stem O-ring to prevent stem leaking at installation, and are rated to 600psi WOG/150psi WSP 1/4in. – 2in. (8 – 50mm) and 400psi WOG/125psi WSP 2 1/2in. – 3in. (65– 80mm). The LFFBV-4, LFFBVS-4 features Lead Free* construction to comply with Lead Free* installation requirements.

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Disclaimer: Watts product dimensions in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.

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*The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight.

Additional Information

Danger – Scalding Lurks!

Every year, thousands of people suffer serious thermal shock or scalding injuries in their bathtubs, sinks and showers.

Click here for informative resources to help you protect against these dangers.

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Thermostatic Mixing Valves

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To learn more about thermostatic mixing valves and how they work, click here.