A sump pump is an important piece of equipment when installing a new bathroom or kitchen sink. It helps prevent flooding by keeping water from backing up into the house. The best way to install a sump pump is to use a professional plumber. They will ensure that the system works properly and that it won't cause any problems in the future. Install a Sump Pump Before Installing a Bathroom or Kitchen Sink. If you're planning on installing a bathroom or kitchen sink, make sure you have a sump pump installed before you do so. This will help keep water from backing up into your home. Choose a Type That Fits Your Home's Drainage System. There are two main types of sump pumps: submersible and surface mounted. Submersible pumps are usually more expensive than surface mounted pumps because they require less maintenance. They also work better in areas with low groundwater levels. Surface mounted pumps are cheaper and easier to install, but they need to be cleaned regularly. Check with...