Backflow Parts & Freeze Bags in Nevada City
The Backflow Depot serves Nevada City and all of Nevada County with backflow prevention parts, Sub Zero Covers freeze bags, and professional-grade equipment — shipped fast from our Rocklin, CA warehouse.
25+ Years
In Business
Fast
Shipping
Made in USA
Freeze Bags
Mon–Fri
7am – 4pm PT
Products Available for Nevada City
Shop online or pick up at our Rocklin, CA shop — parts ship nationwide.
Freeze Bags
50+ sizes by Sub Zero Covers, made in the USA
Shop OnlineComplete Assemblies
Double check, RPZ, and PVB assemblies
Shop OnlineRepair Parts & Kits
OEM kits for all major manufacturers
Shop OnlineTesting Equipment
Differential pressure test kits & gauges
Shop OnlineEnclosures & Cages
Protective covers for backflow assemblies
Shop OnlineAccessories
Valves, fittings, hardware & more
Shop OnlineFreeze Bags for Nevada City Backflow Preventer Installations
Our backflow freeze bags come from Sub Zero Covers — premium, USA-made insulation blankets, shipped fast to Nevada City. Over 50 standard sizes from XS to XXXXL, plus custom sizes to order. Not sure which size fits your device? Use our free AI sizing tool.
Serving Nevada City
The Backflow Depot is an authorized dealer for Watts, Febco, Wilkins, Apollo/Conbraco, Ames, and Deringer. Nevada City contractors, plumbers, and municipalities rely on us for genuine OEM parts, competitive pricing, and fast shipping from our Rocklin warehouse.
We stock over 1,000 SKUs. Custom freeze bag sizes are available for unique installations across Nevada County.
Need backflow parts in Nevada City?