Customer Reviews
    1. Shop by Manufacturer
    2. Zurn Wilkins Products
    3. Backflow Preventors
    /Files/Images/Products/1-350XL.jpg

    1 350XL Double Check Backflow Preventer

    Zurn Wilkins

    1-350XL
    • 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

    Downloads: Spec Sheet | Installation Instructions

    $ 437.87
    1-350XL

    Secure transaction
    Material Safety Data Sheets (MSDS)
    Quote Request
    1-350XL

    1 350XL Double Check Backflow Preventer

    $ 437.87 / each
    Item Added to Cart
    SKU
    Description
    Quantity
    Show Cart

    More Info

    The 1" 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, low-lead law 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.

    Reviews