This pumps is ideal for high volume water transfer and construction grade dewatering applications. It can handle liquid slurries containing sand, small rocks and other debris less than 1-1/4 inch in diamtere. Pump features a rugged removable aluminun out casing with cast iron inner volute and impeller for durability. Includes heavy duty roll frame and 3 inch to 2 inch reducer adaptor. If, after 30 days, you are having a problem with your Little Giant, Franklin, or Red Lion product, call the Franklin Electric Tech Support Team at 888-956-0000 for Troubleshooting and Warranty Instructions. The Tech Support Team is available M-F from 7:00am-4:30pm CST.