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  • 4487 Pacific St Suite E, Rocklin, CA 95677

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Backflow Freeze Bags

Backflow Freeze Bags — Professional-Grade Freeze Protection, Made in USA Protect your Backflow preventer assembly from freezing temperatures with our heavy-duty backflow freeze bags. Manufactured at our facility in Rocklin, California,

1 products
Made in USARocklin, CA facility
25+ YearsIndustry trusted
Direct Mfg.No middleman
Fast ShippingSame-day on stock
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Go here for larger devices 3" and above
About Backflow Freeze Bags
Backflow Freeze Bags — Professional-Grade Freeze Protection, Made in USA
Protect your Backflow preventer assembly from freezing temperatures with our heavy-duty backflow freeze bags. Manufactured at our facility in Rocklin, California, every bag is built with weather-resistant, insulated materials designed to withstand harsh winter conditions season after season.

Available in standard sizes to fit 2", 4", 6", 8", and 10" backflow preventer assemblies — plus custom sizes for non-standard installations. Whether you're a certified backflow technician winterizing dozens of devices or a property manager protecting a single assembly, we have the right fit.
Why choose Backflow Depot freeze bags?
  • Direct from manufacturer — no middleman markup
  • Made in USA — professional-grade construction at our Rocklin, CA facility
  • 25+ years of expertise — trusted by water districts and plumbing companies nationwide
  • Custom sizing available — call us for a quote on non-standard assemblies
  • Easy installation — slides over your assembly in minutes, no tools required
  • Reusable — built to last multiple seasons with proper care
Not sure which size you need? Use our Freeze Bag Sizing Tool or call us at (916) 251-7071 — we'll help you find the perfect fit.
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