The Century Pool and Spa Pump Motor is a single phase motor with a permanent split capacitor for enhanced running efficiency. Equipped with an auto overload protector and ball bearings, the Century Pool and Spa Pump Motor provides long lasting operation. The Century Pool and Spa Pump Motor has a threaded shaft that allows for convenient and direct mounting. Available in horsepower ratings of 1/2"P or 3/4HP, the Century Pool and Spa Pump Motor comes in Full or Up-Rated models and provides long lasting and trustworthy performance. The Century Pool and Spa Pump Motor meets California Energy Commission Appliance Regulations 2008 for ultimate efficiency.