It is also a great way to keep water from your crawlspace and low-lying garage. Another sign is a water test. The average life of a sump pump is around seven to ten years, depending on how often you use it and the quality of the original unit. A sump pump works by collecting water from your foundation and then moving it away from your property. This is determined by the amount of water that you want to be pumped out of your basement. Battery Backup Sump Pump: Many homeowners know the importance of a battery backup sump pump. Battery backup sump pumps usually come with a control box, which can monitor the pump and alert the user if the pump needs to be replaced. Sump Pump Installation: Having a sump pump installed in your basement can help you avoid water problems. This is especially true if you live in an area where there is a lot of rain. A good sump pump will last seven to ten years, but should be replaced after that. Battery-powered pumps are usually more expensive than other types of sump pumps, but they are also very efficient. There are two types of pumps, pedestal and submersible.