This Myers 1/2 HP sump pump is designed prevent your basement from flooding by removing ground water from your sump pit. It is constructed of 100% cast iron and is equipped with a vertical float switch to fit in smaller diameter sump pits. This high performance pump can pump up to 4,800 gallons per hour. Pumps up to 4800 gallons per hour. Vertical piggy-back float switch. Compatible Minimum Basin Width. Female Iron Pipe (FIP). Vertical Piggy-Back Float Switch. Maximum Discharge Flow Rate. 4800 gallon per hour. Durable PSC motor for extended life, Maintenance-free operation. 15.25 H x 12.38 W x 10.38 D. Please do not leave us negative or neutral feedback or open return request/case before allowing us to solve the issue. Unfortunately, as of August 2018 we became aware that the state of California is enforcing new “Proposition 65″ rules. This is simply not a sensible thing for us to do with SOME of our items at this time. We apologize for any inconvenience this may cause.