An important part of a sealed crawl space is a reliable sump pump system. Without one, your crawl space will still be vulnerable to groundwater, as well as unnoticed plumbing leaks. We addressed this need with the SmartSump Crawl Space Sump Pump. Equipped with a cast-iron Zoeller sump pump, a reliable liner, a sump alarm, and a battery backup sump pump, it's exactly what this crawlspace needed to ensure a dry crawl space all the time!