spilling over the edge of the sink.
If the main drain becomes partially blocked—or if someone forgets to turn off the tap—water levels can rise quickly. Instead of overflowing onto the counter, soaking cabinets, or dripping onto the floor, the excess water is redirected through that small opening into a secondary channel connected to the drainage system.
It’s a simple yet effective backup system that helps prevent damage before it happens.
Its value becomes especially clear during minor mishaps. A distracted moment. A slow drain. A child leaving the
