The company's products are a favorite of professionals throughout the United States, and they are known for their innovative design. Your contractor will then clean up the floor afterward. They also include a durable polyethylene cover and an integrally molded torque stop. Sump pumps are necessary in many homes to prevent water damage. They are also easier to maintain. If you have a sump pit, it's a good idea to use coarse gravel for the bottom of the pit. A qualified plumber can replace your old sump pump in under two hours. Liberty Sewage Pump Installation: When it comes to installing a sewage pump in your home, you'll need to be sure to choose the right product for your needs. Crawl Space Sump Pump Installation Cost: Installing a sump pump in a crawl space can be a tricky undertaking.