Hayward® TriStar VS ultra-high efficiency pool pumps are the most efficient pumps in their class. The 900 and 950 models go even further, offering unique features such as a Viton® pump seal and extended warranties. Tests prove they can save pool owners up to 90% on energy costs compared to single-speed pumps. TriStar VS 900 & 950 can be purchased as stand alone pumps or bundled with a Hayward OmniHub controller, see below for model numbers.