What should be done to prevent backpressure in a plumbing system?

Installing check valves is the appropriate method to prevent backpressure in a plumbing system because these devices allow water to flow in one direction and prevent it from flowing backward. They serve as a vital component in maintaining the correct direction of flow within the pipes, which reduces the risk of backpressure that can lead to potential damage, contamination, or inefficiencies in the plumbing system.

When backpressure occurs, it can compromise the water supply and potentially cause the reverse flow of wastewater, which can lead to serious health and safety issues. Check valves help to ensure that once the water or wastewater has passed through them, it cannot flow back into the system, thereby maintaining system integrity.

Other methods, such as reducing water temperature or increasing pipe diameter, do not directly address backpressure issues. Flexible piping may help with installation in certain contexts but does not serve as a preventive measure against backpressure. Therefore, the installation of check valves is a proactive solution to manage and mitigate the risks associated with backpressure in plumbing systems.