Instead, it should be at least 22 inches deep. If you choose to install a sump pump, you should make sure it is properly installed. They can last for several years if properly maintained. Battery backup sump pumps are available in both water and battery-powered varieties. External Sump Pump Installation Montclair: A sump pump can help protect your basement. Pedestal sump pumps are usually cheaper, but are noisier. Sump Pump Gurus - Installing a Sump Pump: If you are in need of a sump pump in Montclair, then you have come to the right place. These can cost a pretty penny, but they are well worth the investment, as they will help to ensure the safety of your family.