3 days ago · A backflow preventer is a device that ensures water flows in only one direction, preventing contaminated water from reversing into your clean supply. Installed directly in your plumbing line, it uses one-way valves or vacuums to block backflow.

There are more than 30,000 backflow prevention assemblies in use in the Tucson Water service area. The Arizona Department of Environmental Quality requires that each be tested annually. A list of Tucson Water-approved Certified Testers (PDF, 212KB) is available.

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Feb 14, 2025 · Backflow prevention devices are the types of backflow preventers that prevent the flow in a plumbing system from switching directions. However, they cannot be tested once installed because they need test valves, inlet valve shutoffs, and outlet valve shutoffs.

Get high-quality support for pipe, valves and backflow preventers. Log in or Create an Account to see product availability. Shop Backflow Preventers at Ferguson. Find expert-curated Backflow Preventers products from the #1 US plumbing supplier and top distributor of HVAC, waterworks, and MRO products.

Plumbing codes mandate that potable water supplies be protected against backflow at all cross-connections. We offer the largest selection of backflow prevention solutions for any application.

Apr 16, 2024 · Unlike an inline check valve, which prevents fluid from traveling backward through the system, a backflow preventer is far more complicated, particularly because it does more than simply regulate backflow.

Sprinkler Warehouse offers a wide variety of sprinkler system backflow prevention devices and backflow valves. We carry all of the top name brands in the irrigation industry, including Conbraco, Wilkins, Febco, and Watts. Browse our selection of high …

The backflow preventer is installed on your main water line and uses a series of valves that flow in only one direction. The check valves allow clean water to flow into your home or business when system pressure is normal.