They aren't restricted by a minimum head requirement. There are also some brands that offer specialty pumps that are designed to replace residential sewage ejector pumps that generate between 4/10 and 1.0 HP. In some circumstances, either type may be suitable. In most cases, a sewer ejector pump will be the more suitable option. Since not all sewage pumps are grinder pumps, raw sewage does not always require sewage grinder pumps. There is a low vertical distance needed to lift the sewage (under 70 feet).To pump sewage to a gravity sewer main.
Here are the scenarios when a Sewage Ejector Pump is most useful: Lifting sewage from a high vertical distance (at least 30 feet) is necessary.For pumping a long distance (over 750 feet).
For pumping to a pressurized sewer main. If one or more of the following applies, you should use a Sewage Grinder Pump: Wondering which sewage ejector pumps are most suitable for residential applications? As you do not want to repair this installation, you need to buy quality equipment that will suit your home properly. Generally, a standard pump kit with a 1/2 or 3/4 horsepower motor and 30- or 40-gallon capacity will do, but you can compare prices, specifications, and features to find the most suitable system.Ī typical kit costs between $400 and nearly $1,000. Pumps vary in size (horsepower) and basins vary in holding capacity. It's an advanced project for a DIYer.Ĭhoosing the right ejector pump size is another critical factor to consider. Consider getting an estimate from a plumber before you decide to do this yourself. To be on the safe side, research what is needed to have a sewage ejector pump installed legally before you begin. Permits are typically required for work on septic or sewer lines, because improper installation can result in a considerable mess. Local building codes and permit requirements may vary from one community to another. If you plan on installing an ejector pump, it would be a wise idea to check with the local building department first. The sump basin's top is sealed in order to prevent waste or smell from escaping. In between the pump outlet and the junction with the main sewer line, there's always a check valve to ensure no wastewater returns to the sump basin. The sewage ejector pump's outlet pipe is usually 2 inches in diameter and connects to a 3-inch sewer main line. In a sump pit, the vent may connect to an existing vent stack (soil ridge) or run up and through the roof. Requirements for Sewage Ejector Pump InstallationĪn ejector pump installation requires a vent to equalize pressure during pumping and to let sewer gasses escape. When the level in the basin drops, the float returns to its starting position and turns off the pump until the next time the basin is filled. The wastewater is pumped from the basin to the sewer or septic system. When the wastewater level in the basin reaches a certain level, a moving float on the sewage ejector pump triggers the start of the drain lines into a sump basin. On average, a sump basin holds 30 gallons of waste from a medium-sized household. Especially in rural areas, septic drainage fields or holding tanks are usually higher than basement fixtures.Īn underground sump basin controls the sewage ejector pumps. Septic drainage fields, holding tanks, and septic drain fields all utilize ejector pumps. In this case, if the municipal sewer lines that lead to the street are higher than the fixture, the pump will pump liquid, solids, and sewage to the main line. The sewage ejector pump operates similarly to a groundwater sump pump in that it lifts waste/sewage up and out of the main sewer line.īasement bathrooms and laundry rooms often have ejector pumps. Residents typically pump sewage from sewage basins into sewer systems or septic tanks which typically contain soft solids up to 2" wide. Solids (sewage) and liquids move through sewage pumps. Because drain-wastewater flows according to gravity, any plumbing system that has fixtures below the main sewer line requires a pump or some way of elevating it so that it can drain properly. Sewage ejector pumps, sometimes called pump-up ejector systems, are used when a bathroom, laundry room, or any other type of plumbing fixtures are situated below the main sewer or septic line.
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