Hayward's TriStar XE Ultra-High Efficiency Pumps are built to deliver maximum energy savings while cutting equipment costs by more than one-third. With adjustable speed options, pool owners can easily customize their pump settings (and savings) without having to pay for more options than they require. TriStar XE is the best way to install a pump which complies with Department of Energy regulations in any new or existing pool, plus it comes complete with easy installation steps and dual-voltage capability.