This Maytronics Dolphin™ 99956021-ASSY Wave Power Supply 115V for 99956025 Assembly is a reliable replacement part, designed to seamlessly intergrate with the original pool cleaning system. The power supply is critical for pool cleaner operation. Maytronics pool cleaners help keep your pool healthy and clean, which is of the utmost importance. Ensure that your pool cleaner is running as cleanly as possible with this certified genuine part.