Well, this second pump is generally located close to the washer dryer area and is known as an ejector pump. This is a pump that is similar in appearance to the sump pump and this confuses many people, as they are unsure what the second pump is for. While sump pumps are commonly found in homes around the United States, some basements also have a second pump. When the basement becomes flooded it can cause a huge amount of damage, which is why water management systems such as sump pumps and ejector pumps are so vital. Basements are prone to flooding and this is why homes are fitted with certain types of equipment to help combat flooding. If you live in a home with a basement, you probably already know about the risk and danger of flooding. At U.S.The Key Differences between Sump Pumps and Ejector Pumps So, no matter if your home has one or two pumps in the basement, a professional basement waterproofing contractor should be your “go-to” for installation, maintenance or repair. Sump pumps are usually installed by basement waterproofing contractors who offer a wider range of longer-life pumps and who are experts at removing water from a basement, regardless of its source and can offer homeowners more option for ejector pumps as well. One last difference: Ejector pumps are often installed by plumbers who typically offer a limited selection and depend on repeat visits for maintenance. If the indicators aren’t clear, a homeowner can identify an ejector pump by flushing a basement toilet or running water in a sink. A failure of an ejector pump will create some flooding, although the volume of water is generally smaller the presence of raw sewage or other dirty water may create a health hazard and the affected area must be cleaned and disinfected. In either case, the discharge pipe from an ejector pump will always be connected to a sanitary sewer line just like the home’s plumbing fixtures. A pump that handles only gray water and/or water from floor drains will probably have a lid but no vent. Rather than collecting ground water from drain tile, the ejector pump’s basin will accumulate water from floor drains, “ grey water” from a washing machine and/or “slop sink” or, when the home has a below-grade bathroom, waste water.Īn ejector pump that processes waste water will have a sealed lid on its basin and a vent pipe to handle sewer gases. If a sump pump fails or is overwhelmed, the basement will flood they typically have battery back-up pump systems alongside.Īn ejector pump often looks just like a sump pump and is also installed in a basin in the floor. When the sump pump is activated, it pumps the water out of the basement through a discharge pipe and delivers it out onto the lawn, into a municipal storm sewer or a dispersal device like a bubbler pot or dry well. The water that collects in the sump basin is ground water, that is, water from the soil surrounding the home’s foundation and is typically clear and cold. Water collected by the drain tile flows to the sump basin and accumulates there until the level rises high enough to trigger the sump pump’s float switch. Typically, there will be two inlets in a sump basin that connect to either end of a drain tile system, either interior or exterior. Sump pumps and ejector pumps are both important parts of a home’s water management system and a malfunction of either can create a destructive mess.Ī sump pump is a small, often submersible, water pump that is located in the basement in a sump basin, a cylindrical container at least two feet deep that is set into the floor. So, What’s the Difference between a Sump Pump and an Ejector Pump? In fact, this second pump is usually an ejector pump and, although it performs the same basic function as a sump pump in removing water from the basement, the source and destination of that water are far different. It is often identical, or at least very similar, to the other sump pump and some homeowners are perplexed as to why it’s there and what it does. In many homes, though, particularly in those with finished basements, there is often what appears to be a second sump pump, often located near the washer and dryer. They’ve been around a while (as many homes with the old pedestal-style pump will prove) and they play an important role in keeping a basement dry. In most parts of the country, homeowners are used to having a sump pump in the basement.
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