Sep 26, 2024 · Backflow preventers work by maintaining a low-pressure vacuum sealed by two check valves. If the pressure inside the low-pressure chamber gets too high — which would …

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 …

What Is a Backwater Valve? A backwater valve is also called a sewer backflow preventer or a sewer backup valve. This tool is installed in your sewer line to allow water or sewage to flow in …

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 …

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 …

Pressure vacuum breaker assemblies (PVB) are the most common, inexpensive type of whole-system backflow preventer. It consists of an inlet shutoff valve at the bottom, a single valve …

Dec 26, 2022 · A backflow preventer is a device that ensures water flows in only one direction by utilizing valves and check mechanisms. The most common type of backflow preventer is the …

Protect potable water systems and stay up to code by browsing our selection of backflow preventers and valves. Shop today with fast shipping and easy returns.

Jul 17, 2024 · A backflow preventer is a device that attaches to water supply pipes and keeps the water flowing in one direction only. The preventer can also consist of a combination of valves …

Jan 20, 2025 · Backflow preventers are essential plumbing devices that protect potable water supplies from contamination. They achieve this by preventing the backflow of non-potable …