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Febco LF866 DOSY CFM FS 8 Part of the LF866 Series SITEDRAIN This 1 IN lead free This 1 IN lead free dual check valve backflow preventer helps prevent the reverse flow of polluted water from residential fire sprinkler systems from entering into the potable water supply 17 bar ArmorTek Technology Yes Body Material Ductile Iron Brand Watts Coating Epoxy Coated Using ArmorTek Technology EAN 098268608076 Inlet Connection Size 3 IN Inlet Connection Type Flanged Joint Lead Free YES Maximum Operating Temperature Fahrenheit 160 Maximum Working Pressure PSI 400 Outlet Connection Size 3 IN Outlet Connection Type Flanged Joint Part Number 1GE00438 Pilot Control System Fitting Material Brass Pilot Control System Tubing Material Copper Series LFM115 Trim Material 316 Stainless Steel Valve Style Mustang Warranty Name Watts Warranty ACV ArmorTek Submittal Package Automatic Control Valve LFM115