The new SuperMax pump from Sta-Rite features a commercial grade, 56 square flange motor for top performance in residential swimming pools. SuperMax is a superior drop-in replacement for Super Pump. The advantage for consumers is its quiet operation and economical performance. The benefit to pool professionals is its ease of installation and reliability. Union fittings are included and the pump easily drops in place. Single models ranging from 1/2 to 2-1/2-horsepower. Cam and Ramp lid locks and unlocks with a simple quarter turn..