The Emerson 56 Frame C-Flange Hayward TriStar Motor for spas and pools offers high energy efficiency in replacement motors. Operating consistently at a single speed, the Emerson 56 C-Flange Motor is highly dependable, operating at 1-1/2"P and 208-230/115V. Sporting an open drip proof design, it is built with ventilation openings to prevent water from entering and damaging the electric motor. It models a stainless steel shaft and is thermally protected for the most reliable service available. The Emerson 56 C-Flange Motor also offers the best in premium energy efficiency, providing aggressive operation as one of the best replacement motors on the market.