Backflow Preventer vs Check Valve: Which One is Right for You?
Compare backflow preventers and check valves by protection level, internal design, testing requirements, cost, and application. Backflow preventers use multiple protective components to safeguard potable water from backsiphonage and backpressure contamination, while check valves provide simpler one-way flow control for pumps, HVAC, fire protection, and general industrial pipelines.