Drain Express, a trusted Toronto plumber, explains the differences between drain and sewer lines at https://drainexpress.ca/drain-line-vs-sewer-line-key-differences-you-should-know/. Drain lines carry wastewater from fixtures like showers, while sewer lines move all waste to city sewers or septic systems. Understanding these roles can lower repair costs by up to 20%, according to industry data. Drain Express uses advanced CCTV inspections and hydro-jetting for efficient, non-disruptive fixes. A clogged drain line affects one fixture, while a sewer line issue impacts all plumbing. Their 24/7 GTA services ensure rapid response and reliable care. Biannual maintenance is advised to prevent blockages. Drain Express helps homeowners keep plumbing systems running smoothly.