How Sewage Ejector Pumps Work The Spruce
A sewage ejector pump, also called a pumpup ejector system, is used when a bathroom, laundry room or any other type of plumbing fixture is located below the level of the main sewer or septic line flowing from the flow of drainwastewater depends on gravity, so any plumbing systems in which fixtures are located below the level of the main sewer line all require a pump or some means ...