The Threaded Pool and Spa Motor is switchless and energy efficient. Century® is an established and respected motor brand with reliable and dependable products for HVAC, pool & spa, and commercial and industrial applications. For nearly 80 years, the Century brand has delivered cutting-edge, high-quality, and energy-efficient solutions to customers all over the world. Century brings cutting edge, high quality and energy efficient solutions to customers all over the world. For your most relaxing applications, Century® pool pump motors have you covered to ensure your summer and leisure activities stay up and running.