Pentair Sta-Rite® 348185 Max-E-Pro® High-Performance Pump with TEFC Super Duty Motor 1.1 THP 115/208-230V. Sta-Rite has updated the Max-E-Pro High Efficiency Pool and Spa Pump line by adding the first and only single speed pump to use NEMA Premium® Efficient motors for pool applications.* The new and improved Max-E-Pro DOE compliant pumps are designed to help save electricity and optimize hydraulic horsepower without sacrificing performance.