Northern California's Trusted Source for Backflow Prevention Parts & Equipment

Authorized dealer for Watts, Febco, Wilkins, Apollo, Ames & Deringer. Freeze bags manufactured in-house. Same-day shipping from Rocklin, CA.

Why Contractors Trust The Backflow Depot

Counties Served
16+
SKUs In Stock
1,000+
Shipping Available
Same-Day
Freeze Bags
Made in USA

Backflow Parts & Equipment

From repair kits and individual components to freeze bags and test equipment — we stock everything backflow professionals need.

Freeze Bags

Manufactured in-house right here in Rocklin, CA. Over 50 sizes available. Made in the USA with premium materials.

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In-Store Only

Repair Kits

Complete backflow repair kits for all major manufacturers. Watts, Febco, Wilkins, Apollo, Ames, and Deringer.

Available at our Rocklin, CA shop · Coming online soon
In-Store Only

Parts & Components

Individual checks, seats, springs, o-rings, and gaskets. Everything you need to rebuild any backflow assembly.

Available at our Rocklin, CA shop · Coming online soon
In-Store Only

Test Equipment

Backflow test kits, gauges, and accessories from trusted manufacturers. Keep your certifications current.

Available at our Rocklin, CA shop · Coming online soon
In-Store Only

Relief Valves

Pressure relief valves and components for reduced pressure zone assemblies and related applications.

Available at our Rocklin, CA shop · Coming online soon
In-Store Only

Check Valves & Seats

Replacement check valves, rubber kits, and seat assemblies for double check and RPZ backflow preventers.

Available at our Rocklin, CA shop · Coming online soon
In-Store Only

Accessories & Tools

Specialty tools, lubricants, fittings, and accessories for backflow installation, testing, and repair.

Available at our Rocklin, CA shop · Coming online soon
The Backflow Depot freeze bag installation and crane work
Manufactured In-House

Freeze Bags — Made in the USA

We don't just sell freeze bags — we manufacture them right here at our facility in Rocklin, California. Every bag is built to withstand the rigors of professional backflow work.

  • 50+ sizes for every backflow assembly
  • Heavy-duty construction for repeated use
  • Made in the USA with premium materials
  • Custom sizes available on request
  • Same-day shipping on in-stock sizes
Browse All Freeze Bags
Instant Sizing Tool

Not Sure What Size Freeze Bag You Need?

Snap a photo of your backflow device tag and we'll match you to the exact freeze bag — no measuring, no guesswork.

1. Snap Your Tag

Take a photo of the metal tag on your backflow device

2. We Read It

We identify the manufacturer, model, and size from your photo

3. Get Matched

We send you straight to the right freeze bag — ready to buy

Get The Right Freeze Bag Size

Free to use. Takes 30 seconds. No account needed.

Your Backflow Parts Team

Based in Rocklin, CA, our team serves backflow professionals across 16 counties in Northern California. We know the parts because we work in the field, too.

The Backflow Depot team members in the field with equipment
Rocklin, CA
BBB Accredited

Authorized Dealer for Leading Brands

Watts
Febco
Wilkins
Apollo Valves by Conbraco
Ames Fire & Waterworks
Deringer
BBB Accredited Business

Ready to protect your backflow device? Get the right freeze bag in minutes.