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.
Shop OnlineParts & Components
Individual checks, seats, springs, o-rings, and gaskets. Everything you need to rebuild any backflow assembly.
Shop OnlineTest Equipment
Backflow test kits, gauges, and accessories from trusted manufacturers. Keep your certifications current.
Shop OnlineRelief Valves
Pressure relief valves and components for reduced pressure zone assemblies and related applications.
Shop OnlineCheck Valves & Seats
Replacement check valves, rubber kits, and seat assemblies for double check and RPZ backflow preventers.
Shop OnlineAccessories & Tools
Specialty tools, lubricants, fittings, and accessories for backflow installation, testing, and repair.
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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
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.
Backflow Device Rentals
Assembly out for repair or stuck on backorder? Rent a working backflow preventer from us and keep your water service compliant and running — one of the only rental programs of its kind in Northern California.
- 2″ to 12″ devices in stock
- Hard-to-find sizes, available to rent
- Same-day pickup in Rocklin, CA
- No long-term contracts
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 get the parts you need? Shop freeze bags, repair parts, and more.