
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
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.
Shop OnlineRepair Kits
Complete backflow repair kits for all major manufacturers. Watts, Febco, Wilkins, Apollo, Ames, and Deringer.
Available at our Rocklin, CA shop · Coming online soonParts & 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 soonTest Equipment
Backflow test kits, gauges, and accessories from trusted manufacturers. Keep your certifications current.
Available at our Rocklin, CA shop · Coming online soonRelief Valves
Pressure relief valves and components for reduced pressure zone assemblies and related applications.
Available at our Rocklin, CA shop · Coming online soonCheck 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 soonAccessories & Tools
Specialty tools, lubricants, fittings, and accessories for backflow installation, testing, and repair.
Available at our Rocklin, CA shop · Coming online soonFreeze 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
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
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.
Authorized Dealer for Leading Brands







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