Heavy-duty cast iron construction Nylon impeller Cold rolled steel motor shaft Mechanical seal is made of nitrile with carbon ceramic faces Permanent split capacitor (PSC) motor with thermal overload protection Designed for continuous duty Energy-saving low amp draw Cooler running motor 1-1/2" FNPT discharge (38 mm) Handles up to 1/2" (12.7 mm) solids Multiple switch options for automatic operation 140 °F (60 °C) liquid temperature rating cCSAus listed Applications Basement sumps Dewatering Water transfer Light effluent