Max-E-Pro® High Efficiency Pool and Spa Pump High efficiency, low maintenance and maximum performance—all the features demanded by today’s pool professionals. The Sta-Rite Max-E-Pro pump has our new Quick-Lock™ Trap Cover Ring and the 2 in. ports incorporate internal and external threads. A strong, sturdy, specially-designed base dampens sound and vibration, making the Max-E-Pro pump one of the quietest pumps in its class. Sta-Rite Item Code: 348150-INT This pump has been discontinued by Pentair Features Typical Installation - Inground pools, pool/spa combinations, inground spas, fountains and water features. Easy-to-Install - 2" ports include external and internal threads for more plumbing options. Superior Hydraulic Design - Moves larger volumes of water, resulting in lower operating costs. Impeller Manufactured with PPO Resin - Withstands the toughest water environments. EDPM Rubber Shaft Seal - Longer-lasting seal stands up to the harshest environments. Self-lubricating Lid O-Ring - Does not require lubricant. Quick-Lock - Trap cover ring permits fast access to strainer basket and large see-through lid makes it simple to check for debris. Glass-Reinforced Composite Resin - One-piece pump housing. Sta-Rite Max-E-Pro Literature Sta-Rite Max-E-Pro Manual