Generac 6821 is a powerful and versatile water pump that can handle a variety of tasks, from draining flooded basements to watering gardens and lawns. With its 208cc OHV engine, the 6821 can pump up to 158 gallons of water per minute, making it ideal for even the most demanding jobs. The 6821 also features a self-priming design, which allows it to draw water from a depth of up to 26 feet. This makes it perfect for use in remote locations or where there is no access to a water source.