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Winterization Items


Backflow devices should be protected from freezing temperatures. In this section, you’ll find the products that will save your backflow from Old Man Winter. Sprinkler Warehouse is your source for winterization!

Learn more about Backflow Preventers!

Backflow Preventers are designed and installed to provide protection against back siphonage of contaminated liquids into your drinking water.

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  1. Backflow Armor Insulated BackFlow Bag 24" x 24" Green Insulation Pouch | BFA2424G
    Insulated BackFlow Bag 24 in. x 24 in. Green Insulation Pouch | BFA2424G
    On-Sale $64.95 List Price $77.45
    SKU: BFA2424G
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