POWERFUL MOTOR: Our 1/2 HP submersible sump pump is rated for 4100 GPH max flow rate and a 28' max lift. It can remove up to 68 gallons of water per minute at no lift. Ideal for basements and crawlspaces. DURABLE CONSTRUCTION: Designed with an epoxy-coated aluminum housing that efficiently dissipates heat, promoting effective motor cooling to ensure long-lasting performance. The heavy duty PSC oil-filled motor is built with thermal overload protection for enhanced longevity. SUCTION DESIGN: The top suction filters debris, which minimizes clogging and reduces airlocks. This helps keep the 1/2 HP sump pump running quietly and efficiently for optimal performance. AUTOMATIC: The sub pump features a direct-in vertical float switch that enables automatic operation, ensuring hassle-free and efficient water management. EASY INSTALL: 1-1/2" and 1-1/4" (with adapter) NPT allows for easy installation without need for plumbing changes. Suitable for sump basins with a diameter of 10" or larger.