Sta-Rite has updated the SuperMax® High Performance Pumps line by adding the first and only single speed pump to use NEMA Premium® Efficient motors for pool applications.* The new and improved SuperMax DOE compliant pumps are designed to help save electricity and optimize hydraulic horsepower without sacrificing performance.

• Available totally Enclosed Fan Cooled (TEFC) motor for maximum efficiency and durability.
• 1.5” internal slip (2” external slip) and quick-disconnect plumbing union for faster disassembly, making it a breeze to service.
• Cam and RampTM Lid permits easy inspection and cleaning of the strainer basket.
• SuperMax pumps are a high-performing drop-in replacement for the Hayward® Super Pump®.
• Certain models meet DOE minimum efficiency requirements.

https://www.pentair.com/en-us/products/residential/pool-spa-equipment/pool-pumps/supermax_high_performancepumps.html