You can also install a battery backup for the system, which can be used in case of power outages. That's why it's important to keep an eye out for signs of a malfunctioning unit. If you want to install a new sump pump, consider hiring a professional. Finally, it's time to test the machine. Sump pumps are necessary in many homes to prevent water damage. These units are ideal for outdoor installations. You can also use concrete to fill the area around the sump.