What Is A Main Line In Plumbing - The sewer line cleanout provides direct access to the main sewer line. What is a main line? The main line, also known as a sewer line or a main sewer line, is the pipe that goes from your home to the city connection or the septic tank. It’s the line that goes from your house to the city connection or. A main line simply refers to a sewer line, which carries waste from your house to the city’s sewer lines or septic tank. The sewer (main) line flushes out your home’s sewage. Simply put, your mainline is your sewer line.
A main line simply refers to a sewer line, which carries waste from your house to the city’s sewer lines or septic tank. The sewer line cleanout provides direct access to the main sewer line. The sewer (main) line flushes out your home’s sewage. It’s the line that goes from your house to the city connection or. The main line, also known as a sewer line or a main sewer line, is the pipe that goes from your home to the city connection or the septic tank. What is a main line? Simply put, your mainline is your sewer line.