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Backflow Prevention



Residential Fire Sprinkler System Dual Check Valves


Replacement Product: LF07S


1 to 1 1/4 in. (25 to 32mm)


Series 07S Residential Fire Sprinkler System Dual Check Valves prevent the reverse flow of polluted water from residential fire sprinkler systems from entering into the potable water supply. It consists of a bronze body construction with dual check valves, silicone seat discs, and identification tag. Series 07S offers low pressure drop, easy maintenance and service, and is designed for non-health hazard residential sprinkler systems at the water meter or service entrance. Check with local inspection authorities for installation requirements. Minimum Working Pressure: 10psi (69 kPa), Maximum Working Pressure: 175psi (12.06 bar), Maximum recommended flow: 50 gpm (190 lpm).

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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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