Please make sure your pool cleaner is on the list below. If it is not, this will not work and you are responsible for return shipping. For the following Maytronics cleaners only: S200 99996202-US, S300 99996221-US, S300i 99996225-US, Active 20 99996023-US, Active 30 99996231-US, Active 30i 99996235-US Prowler 920 99996201-US, Prowler 930 99996214-US, Discovery 99996201-DIS, Saturn 99996114-SAT, Cayman 99996135-SPL, Quantum 99996203-SPL, Premium 99996211-PIO Black Power Cord is NOT included - it is sold as a separate part number 5898412LF