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Zurn Wilkins - 4" 350 Double Check Backflow Preventer
- The Zurn Wilkins 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.
- 4" double check assembly.
- Short lay-length for small space installation.
- Reliable performance and improved flow characteristics from patented compound check.
- Available in flanged, grooved, or grooved x flanged end connections for installation versatility.
- No threads or taps in body or cover, eliminating exposure to corrosion.
- Single access cover reduces maintenance down time.
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