Powered by advanced hydraulics and boasting the industry's leading energy efficiency WEF rating, the Hayward TriStar VS 2.7HP swimming pool pump delivers unmatched performance, reliability and savings for both new and existing pools.The side/rear conduit entries and standard union connections make it easy to integrate ENERGY STAR-rated efficiency—saving up to $1,500 a year on energy costs—without sacrificing performance from the powerful, yet quiet motor drive. Pool owners can rest easy knowing that their TriStar VS 1.85HP provides the top-notch durability and reliability they need. Weighted Energy Factor (WEF) for 115V = 10.1 and 230V = 7.3. The higher the WEF, the more efficient the pump. Learn more about WEF here. Designed to replace most full-rate high performance pumps up to 1.5 full-rate or 2.0 max-rate HP No-rib, extra- large basket design ensures easy leaf and debris removal and extends time between cleanings 2″ x 2½″ union connections for easy installation and service Two pump base options allow for seamless retrofitting A standard 1-year warranty included ENERGY STAR Certified and compliant with industry regulations including Title 20 and APSP 15; eligible for local utility rebates Install in any application: in stand-alone mode, with Hayward automation (including OmniLogic), or with competitive control systems (via relay control) Permanent magnet, totally enclosed fan cooled (TEFC) motor offers incredible energy efficiency and reliability Fully programmable, digital control interface rotates to four different positions or mounts to the wall for more convenient access and viewing