Which component is involved in the suction side of the pump?

The skimmer and main drain are key components involved in the suction side of the pump because they are responsible for collecting the water from the pool and directing it to the filtration system. The skimmer removes surface debris and allows water to flow from the pool's surface, while the main drain collects water from the bottom of the pool. This water is then sucked into the pump, which is designed to create a negative pressure that draws water in, allowing for effective filtration and circulation within the pool system.

In contrast, elements like the filtration unit and the return line to the pool are associated with the pressure side of the pump rather than the suction side. The filtration unit cleans the water after it has been drawn in, and the return line carries the filtered water back into the pool. The pump motor is essential for the operation of the pump but is not itself part of the suction mechanism; rather, it powers the pump to facilitate the suction and circulation process. Understanding the roles and functions of these components helps pool operators manage and maintain the system effectively.