YCS 1/3 HP Crawl Space Sump Pump Kit with Basin and Water AlarmYCS 1 3 HP Crawl Space Sump Pump Kit The YCS 1 3 HP Crawl Space Sump Pump Kit is a complete drainage solution designed to remove water from crawl spaces and protect foundations from moisture damage. The system includes a durable 1 3 horsepower cast iron sump pump, a crawl space basin with cover, check valve, discharge piping, and a water alarm system for added protection. In simple terms: This kit gives you everything needed to install a crawl space