This is especially helpful if you have an unfinished basement. Use a wrench to screw the male adapter onto the discharge pipe. The P372LE51 sewage ejector package from Liberty Pumps is designed for both residential and light commercial applications. Use a hole saw with a bit sized appropriately. Your pit should be at least 22 inches deep. The cost of a sump pump is determined by the type of pump you need, the location of the installation, the amount of work required, and the costs of the supplies and labor. In addition to the cost of the sump pump itself, you will also need to purchase a flexi pipe and other plumbing fixtures. Hopefully, your new sump pump is working its magic. It also includes a quick-connect float switch for a fast and easy connection to your sewage system. A GFCI outlet is an important safety feature, as it will provide energy while preventing electric shock. Ridgid Sump Pump Installation: The Ridgid one HP Stainless Steel Dual Suction Sump Pump is a great choice for your home's basement.