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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. Blow Out Bonnet for Febco 765 1 in. | BOBF1
    Blow Out Bonnet for Febco 765 1 in. | BOBF1
    On-Sale $79.99 List Price $99.99
    SKU: BOBF1
  2. Blow Out Bonnet for Wilkins 720 1 in. | BOBZ1
    Blow Out Bonnet for Wilkins 720 1 in. | BOBZ1
    On-Sale $79.99 List Price $99.99
    SKU: BOBZ1
  3. Blow Out Bonnet for Watts 800M4 1 in. | BOBW1
    Blow Out Bonnet for Watts 800M4 1 in. | BOBW1
    On-Sale $79.99 List Price $99.99
    SKU: BOBW1
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