The NEW HAYWARD BOOSTER PUMP is a high performance, exceptionally quiet booster pump that uses either 1 1/2" unions or 3/4" fittings making this booster pump the most installer friendly booster pump on the market. It's advanced hydraulics contributes up to 40% in energy costs compared to your current booster pump. The Hayward Booster Pump is a perfect replacement for any 3/4 horsepower booster pump. With it's elevated base it allows for more ventilation as well as protection from flooding.