AquaMotion pumps are rugged, easy to install and feature quiet running operations. Compact, self-venting and maintenance-free, the pumps are high-torque direct-drive with low power draw. A patented innovative cartridge is field-serviceable and replaceable. The cartridge is interchangeable with competitor units. An interchangeable rotor cartridge is featured on iron, bronze and stainless pumps to reduce inventory. The pumps feature a high-capacity output for light commercial heating and plumbing applications. The pumps feature a patented state-of-the-art bearing design and long-life stainless construction.