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Water Safety & Flow Control


Lead Free* Tankless Water Heater Valves

Lead Free* Models Available


3/4 and 1 in. (20 and 25mm)


Series LFTWH tankless water heater valves are designed to
simplify the installation, maintenance and operation of tankless
water heaters. They replace up to 18 fittings and 16 connections used in typical tankless water heater installations. Available in two valve sets or as a single valve with female threaded, union or quick-connect end options. Models available with or without a relief valve.

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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.

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