The Grundfos MQ3-45 Pressure Booster Water Pump is a high-quality 1 HP pump designed for boosting water pressure in various plumbing systems. With a voltage of 115 V 60 Hz, this brand new water pump comes with a manufacturer warranty of 1 year and weighs 32.7 lb. The MQ3-45 model is known for its reliability and efficiency, making it an essential component for home improvement and garden projects requiring increased water pressure.