Product details:

The NEW RIDGID 500RS is a 1/2 HP Professional Grade Cast Iron Sump Pump. The 500RS is epoxy coated with a cast iron motor housing and base. 1/2 HP High Performance and energy efficient motor lengthens the life of the switch. Maximum flow 4920 GPH at 0 ft.; 3660 at 10 ft. Heavy duty epoxy coated cast iron pump motor housing and base, for extended life in tough sump applications Integrated submersible 2-pole switch for automatic operation, with solid buoyant polypropylene float 1-1/2 in.