A sump pump is a device that is installed in the lowest part of a basement or crawl space to pump out excess water that may accumulate due to groundwater or other sources. It typically consists of a pit or basin, a pump, and a discharge pipe. Water is collected in the pit, and the pump then pushes the water out and away from the building.
There are two main types of sump pumps: pedestal and submersible. A pedestal sump pump has a motor that sits above the pit, while a submersible sump pump has a motor that is submerged in the pit. Submersible pumps are typically more durable and efficient, but they are also more expensive.
If your basement or crawl space frequently floods or has a high water table, you may need a sump pump to prevent water damage. Additionally, if you have a history of water in your basement, or if you live in an area that is prone to heavy rain or flooding, a sump pump can be a good investment.