Answer :
A backflow preventer is the device used to safeguard each plumbing fixture trap from siphonage and back pressure. It ensures the water flows only in one direction, preventing polluted water from flowing back into the clean water supply.
To ensure that each plumbing fixture trap is protected against siphonage and back pressure, a backflow preventer is typically used. Siphonage and back pressure are two phenomena that can cause serious problems in plumbing systems if not properly heeded. A backflow preventer is a device that ensures water flows only in one direction, preventing any contaminated water from flowing back into the potable water supply due to multiple pressures in the system. A backflow can occur due to either back pressure or back siphonage. The prevention can be done by employing a backflow preventer at all cross-connections that may pose a risk.
A backflow preventer is the device used to protect each plumbing fixture trap against siphonage and back pressure.
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