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Once the basin is empty and the float returns to its minimum level, the pump motor switches off. When the level of waste in the sump basin rises and lifts the float, the pump’s motor switches on and forces the wastewater up toward the sewer main. An average-sized sump basin for a single-family home holds between 30 and 40 gallons of wastewater.
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This step is easy because the drain lines are angled downward to take advantage of gravity. How Does an Ejector Pump Work?Īs you and the other residents of your home or building use plumbing fixtures throughout the day, wastewater flows down into the sump basin. The system is relatively simple, comprised of a pump and float that sit inside your sump basin, which is cut into the ground below the grade of your home. What Is a Sewage Ejector Pump?Ī sewage ejector pump is a specific type of submersible sewage pump that helps move wastewater up toward the sewer line. Use your newfound knowledge to decide whether an ejector pump is right for your plumbing needs. However, if your home or commercial building has bathrooms or laundry facilities on the basement level, gravity can’t do the job by itself.Ģ4hr Supply has compiled a helpful guide containing everything you need to know about sewage ejector pump systems. Many sewage systems rely partially on gravity to move liquid and solid waste from the plumbing system to the main sewer line. What is a sewage ejector pump, and how does it differ from other types of sewage pumps? How do you know if your home needs an ejector pump?