Family-Owned. Industry Trusted. Built on Expertise.
Since 1998, The Backflow Depot has been Northern California's go-to source for backflow prevention parts, equipment, and in-house manufactured freeze bags. We're not just a parts supplier — we're backflow professionals.
From the Field to the Warehouse — We Know Backflow
The Backflow Depot started as an extension of All Pro Backflow, Inc. — a backflow testing, repair, and installation company that's been serving Northern California since 1998. After years of working in the field, we saw a gap: getting quality backflow parts quickly and at fair prices was harder than it should be.
So we built The Backflow Depot. Today we stock over 1,000 SKUs from brands like Watts, Febco, Wilkins, Apollo, Ames, and Deringer. We serve plumbers, municipalities, property managers, and contractors across 16 Northern California counties.
But we didn't stop at parts. We started manufacturing our own backflow freeze bags right here in Rocklin, CA. Made in the USA, with over 50 size variants, our freeze bags are built by people who actually work on backflow preventers every day.
Sister Company of All Pro Backflow, Inc.
Our roots are in the field. All Pro Backflow has been testing, repairing, and installing backflow preventers across Northern California for over 25 years. That hands-on experience means when you call The Backflow Depot for a part, you're talking to people who've actually used it.
We don't just read spec sheets — we know which parts fail, which brands hold up, and which freeze bags actually protect devices in real California winters. That expertise is baked into everything we do.
What Sets Us Apart
Quality First
Every part we sell and every freeze bag we manufacture meets our rigorous quality standards. We stand behind everything with our name on it.
Real Expertise
Our team has decades of hands-on backflow experience. We don't just sell parts — we install, test, and repair backflow preventers every day.
In-House Manufacturing
Our freeze bags are designed and manufactured right here in Rocklin, CA. Complete quality control from raw materials to finished product.
Same-Day Shipping
Orders placed before 2pm ship the same day. We know downtime costs money, so we move fast to get you the parts you need.
Honest Pricing
No middlemen, no markups on our manufactured products. Direct-from-manufacturer pricing on freeze bags and competitive pricing on all parts.
BBB Accredited
We've earned our BBB accreditation through years of honest business practices. Our reputation in the industry speaks for itself.
In the Field, Every Day
From crane installations to emergency repairs — we do it all.
Licenses & Accreditations
Ready to get the right parts? Talk to a backflow expert.