The answer to 'types of sump pump' is that there are several main types of sump pumps used in homes. The most common are pedestal sump pumps and submersible sump pumps. Pedestal sump pumps sit above the sump pit and pump water out through a discharge pipe. Submersible sump pumps are installed inside the sump pit and are completely submerged in water, making them quieter and less visible. There are also combination sump pumps that have both pedestal and submersible components.
The type of sump pump you need depends on factors like the size of your sump pit, the volume of water that needs to be pumped, and your home's layout. Submersible pumps are generally more efficient and effective, but pedestal pumps may be better suited for smaller sump pits. It's best to consult a professional plumber to determine the right sump pump for your home's needs.