Backflow Parts & Freeze Bags in Modesto
The Backflow Depot serves Modesto and all of Stanislaus County with backflow prevention parts, in-house manufactured freeze bags, and professional-grade equipment — shipped same-day from our Rocklin, CA facility.
25+ Years
In Business
Same-Day
Shipping
Made in USA
Freeze Bags
Mon–Fri
7am – 4pm PT
Products Available for Modesto
Freeze bags ship online. All other parts available at our Rocklin, CA shop.
Freeze Bags
50+ sizes, made in-house in Rocklin, CA
Shop OnlineComplete Assemblies
Double check, RPZ, and PVB assemblies
Available at our Rocklin shop · Coming online soon
Repair Parts & Kits
OEM kits for all major manufacturers
Available at our Rocklin shop · Coming online soon
Testing Equipment
Differential pressure test kits & gauges
Available at our Rocklin shop · Coming online soon
Enclosures & Cages
Protective covers for backflow assemblies
Available at our Rocklin shop · Coming online soon
Accessories
Valves, fittings, hardware & more
Available at our Rocklin shop · Coming online soon
Freeze Bags for Modesto Backflow Preventer Installations
Our backflow freeze bags are manufactured right here in Rocklin, CA — just minutes from Modesto. Over 50 sizes from XS to XXXXL. Not sure which size fits your device? Use our free AI sizing tool.
Serving Modesto Since 1998
The Backflow Depot is an authorized dealer for Watts, Febco, Wilkins, Apollo/Conbraco, Ames, and Deringer. Modesto contractors, plumbers, and municipalities rely on us for genuine OEM parts, competitive pricing, and same-day shipping from our Rocklin warehouse.
We stock over 1,000 SKUs. Most orders placed before 2pm ship same-day. Custom freeze bag sizes are available for unique installations across Stanislaus County.
Contact Us
4487 Pacific Street, Suite E
Rocklin, CA 95677
Monday–Friday, 7am–4pm PT
Need backflow parts in Modesto?