ANSI B1.20.1

• EZSwap™ removable pressure vessel is quickly removed and replaced with flush tool (FLUSH) for simple line flushing to remove fouling debris Labor savings from ease of flushing with only one person saves up to 15 min per installation Quick and thorough winterization with blow-out accessory prevents costly freeze damage and improves productivity when freeze is quickly approaching EZSwap™ pressure vessel can be removed and replaced in seconds, reducing repair cost and water system down time EZSwap™ pressure vessel is serviceable off-line and reusable, allowing maintenance and repairs to be performed in the safety of the work truck or shop Durable UV-resistant reinforced nylon EZSwap™ pressure vessel resists corrosion and mineral buildup to better withstand harsh outdoor conditions Stainless steel shut-off valve handles, hardware and struts resist corrosion Reduced labor and repair kit costs yield savings of 75 percent or more during the backflow life cycle

The 350 double check backflow preventer provides low health hazard protection in non-potable applications. The EZSwap™ removable pressure vessel provides safe and easy line flushing, quick winterization and simple maintenance and repair.