How does a floor drain function in a plumbing system?

A floor drain functions primarily by collecting excess water and directing it to the drainage system. This is essential for preventing flooding in areas such as basements, laundry rooms, and bathrooms where water is more likely to accumulate from spills, leaks, or other sources. The floor drain operates through gravity, allowing water to flow down into the drain where it is then transported through the plumbing system to the sewer or septic system.

Proper functioning of floor drains is critical in maintaining safe and dry living environments. The design typically includes a trap, which holds a small amount of water to prevent sewer gases from entering the living space while still allowing excess water to drain away. This mechanism is vital for managing unwanted water effectively.