What You Should Know about Drain Cleaning and Pipe Replacement in Airway Heights, WA? The sewer line is the biggest drain in your house. It is often forgotten in lieu of the obvious drains- Kitchen, shower, tub, toilet, downspout, sinks. However, the sewer line is what all these other drains lead to, and a blockage...The post What You Should Know about Drain Cleaning and Pipe Replacement in Airway Heights, WA? appeared first on Vietzke Trenchless.