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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
  2. Backflow Armor Insulated BackFlow Bag 34" x 24" Green Insulation Pouch | BFA3424G
    Insulated BackFlow Bag 34 in. x 24 in. Green Insulation Pouch | BFA3424G
    On-Sale $74.95 List Price $102.65
    SKU: BFA3424G
  3. Backflow Armor Insulated BackFlow Bag 24" x 16" Green Insulation Pouch | BFA2416G
    Insulated BackFlow Bag 24 in. x 16 in. Green Insulation Pouch | BFA2416G
    On-Sale $54.95 List Price $66.95
    SKU: BFA2416G
  4. Backflow Armor Insulated BackFlow Bag 16" x 21" Green Insulation Pouch | BFA2116G
    Insulated BackFlow Bag 16 in. x 21 in. Green Insulation Pouch | BFA2116G
    On-Sale $54.95 List Price $63.80
    SKU: BFA2116G
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