ECO-FLO, 1/2 HP Submersible Sump Pump with Wide Angle Switch. built with an anodized aluminum motor housing for efficient motor cooling. The pump is available with the tethered float and requires an 18 in. minimum diameter wide sump basin.The motor is built with thermal overload protection. Semi-open thermoplastic impeller passes 3/8 in. solids. Corrosion resistant thermoplastic motor cover and valve. Continuous duty, efficient 115-Volt PSC (permanent split capacitor) motorfor lower carbon footprint. Submersible for quiet operation. 8 ft. cord length. The pump has a 1 year limited warranty.