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Short lay length for small space installation
Reliable performance and improved flow characteristics from patented compound check
No threads or taps in body or cover, eliminating exposure to corrosion
Single access cover reduces maintenance down time
The Zurn® 350 double check valve backflow preventer provides low hazard protection for all applications. The flanged, epoxy-coated ductile iron body is available with multiple shut-off valve options for installation versatility.
Zurn® 350 Series 3-350L Double Check Valve Backflow Preventer, 3 in, Flanged, Lead-Free