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- Series LF7R Lead Free* Dual Check Valves prevent the reverse flow of polluted water from entering into the drinking water supply at the service entrance or at individual outlets. It consists of a Lead Free* cast copper silicon alloy body construction, with two compact replaceable plastic check modules, and stainless steel springs. Series LF7R is designed for non-health hazard residential water system containment, continuous pressure applications. It is installed immediately downstream of the residential water meter, in a vertical or horizontal position. Check with local inspection authorities for installation requirements. Minimum Working Pressure: 10psi (69 kpa) Maximum Working Pressure: 175psi (12 bar).
WATTS® Dual Check Valve, Series: LF7R, 3/4 in Nominal, FNPT, 175 psi, 33 to 180 deg F, Low Lead Compliance: Yes, Media: Water, 3-5/8 in Inlet to Outlet Length, Copper Silicon Alloy Body, Stainless Steel Spring/Santoprene Disc Trim, EPDM Seal, 1-7/8 in H, Domestic
- Can be installed in the vertical or horizontal position
- Body MaterialCopper Silicon AlloyDomestic / ImportDomesticEnd StyleFNPTLow Lead ComplianceYesNominal Size3/4 inDimensions1-7/8 in HInlet to Outlet Length3-5/8ManufacturerWatts Water TechnologiesManufacturer #0072204MediaWaterPressure Rating175 psiSeriesLF7RSoftgoods MaterialEPDM SealTemperature Rating33 to 180 degFTrim MaterialStainless Steel Spring/Santoprene Disc