Backflow Preventers

QR 3,057.00QR 5,560.00

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Sold By: JerseyMEP

Series LF709 Double Check Valve Assemblies are designed to prevent the reverse flow of polluted water from entering into the potable water system. This series can be applied, where approved by the local authority having jurisdiction, on non-health hazard installations. Series LF709 features a modular check design concept to facilitate easy maintenance. Check with local jurisdictional authority as to installation requirements. The LF709 features Lead-Free* construction to comply with Lead-Free* installation requirements.



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QR 3,057.00QR 5,560.00




Body Materials Epoxy coated cast iron
Seats Stainless Steel
Maximum Working Pressure 175 psi (12.1 bar)
Temperatures Range 33 – 110 deg F
Size 65 mm, 100 mm


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