The answer to 'difference between sump pump' is that a sump pump and a dewatering pump are both used to remove excess water, but they have distinct features, benefits, and use cases. A sump pump is typically installed in a sump pit in the basement or crawl space of a home to automatically remove groundwater or rainwater that collects there, preventing flooding and water damage. In contrast, a dewatering pump is a portable pump used to remove standing water from areas like construction sites, flooded basements, or other temporary water accumulation.
Sump pumps are permanently installed and connected to the home's electrical system, automatically turning on when water reaches a certain level in the sump pit. Dewatering pumps are mobile and can be placed wherever water needs to be removed, but require manual operation. Sump pumps are generally more powerful and can handle higher volumes of water, while dewatering pumps are better suited for smaller, temporary water issues. The cost of a sump pump system, including the pump, pit, and installation, is typically higher than a dewatering pump, but the long-term protection it provides for a home's foundation can make it a worthwhile investment.