Drain Express, a premier Toronto plumbing company, outlines the distinctions between drain and sewer lines at https://drainexpress.ca/drain-line-vs-sewer-line-key-differences-you-should-know/. Their article explains that drain lines handle wastewater from individual fixtures, while sewer lines move all waste to municipal or septic systems. Industry data indicates that early detection of issues can save up to 20% on repair costs. Drain Express uses advanced CCTV cameras and hydro-jetting to resolve clogs efficiently. Drain line blockages typically affect one fixture, whereas sewer line issues impact the entire home. Their licensed team provides 24/7 service across Toronto and the GTA. Regular maintenance every 18-24 months is advised to prevent major issues. Drain Express ensures reliable, non-invasive plumbing solutions for homeowners.