Waterway Hi-Flo 3 HP Pump Impeller for 48 Frame
Genuine replacement 3hp impeller 310-4020 for Waterway Hi-flo pump wet ends designed specifically for use with Hot Tubs & Spas. These 3hp impellers will fit any Waterway 48 frame or 56 frame Hi-flo spa pump wet ends but you should fit the same horsepower equivalent. The horsepower rating is usually stamped into the centre of each Waterway impeller so check there to match up your replacement.
Vein Gap Distance – To aid in matching up the correct impeller HP measure the vein gap distance, this is the distance between the front and rear plates of the impeller. Compare with the specifications of this Waterway impeller below.
