The 1 in. 350XL Double Check Valve Assembly is used in low health hazard, potable water applications for protection against both backsiphonage and backpressure of polluted water. A favorite for plumbing contractors, the patented and innovative EZSwap removable pressure vessel allows for simple, cost-effective maintenance and repairs, straightforward line flushing, quick winterization, Safe Drinking Water Act compliant design, and added water savings. Its stainless steel shut-off valve handles, hardware, and struts are corrosion-resistant and the durable UV resistant reinforced nylon EZSwap Pressure Vessel resists corrosion and mineral build-up to better withstand harsh outdoor conditions.

• Top-mounted test cocks allow for easy installation
• EZSwap® pressure vessel reduces repair time and costs
• Flush Tool (FLUSH) provides easy line flushing, saving up to 15 minutes per installation
• Construction offers corrosion-resistance and winterization
• Low-lead law compliant
• ASSE® Listed 1015
• IAPMO® Listed
• CSA® Certified B64.5
• AWWA Compliant C510
• Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California