The main sewer line is a crucial component of the plumbing system in a home, serving as the primary conduit for removing wastewater from the house to the municipal sewer or septic system. It connects all of the home’s interior plumbing fixtures—such as sinks, toilets, showers, and drains—to the external waste processing infrastructure. The health of the main sewer line is vital for maintaining cleanliness, hygiene, and efficient water drainage in a property. Regular maintenance and prompt repairs are essential to prevent clogs or backups, which can lead to significant property damage and costly repairs.