WP300-II 2-Speed Pump 4HP 2.6 x 2p n: 897. 3 1 Hydro max pump WP300 II Special .. 4 hp, 10 amp,2 speed .. 2,6 inch x 2 inch unions.. all Canadian S Two Speed: Electrical Connections: Comes with plain 4 core cable attached. 2 x Phase, 1 x Common Neutral + Earth. Dimensions: Length: 435 mm Height: 235 mm Depth: 200 mm see the chart for different pump specs WP200 Two speed WP250 Two speed WP300 Two speed WP500 II Two speed Amps: High 7 Low 2 Amps: High 9 Low 2. 5 Amps: High 10 Low 3