It’s a bummer . but the sad fact is that eventually . pool and spa pumps wear out. Stop those sleepless nights fretting about your pool pump . and instead invest in some quality replacement parts. With this A.O. Smith 1.5 HP Pool/Spa C-Flange Motor Replacement . you’ll sleep soundly at night knowing your pool’s in good hands.This pool pump motor is designed to replace the motors in Hayward Super Pump II . Hayward Super Pump . Hayward Northstar . Hayward Max Flow only. This particular UST1152 model does a no-load speed of 3 .450 RPMs with 1.5 HP of output. Corrosion-resistant and leak-proof . this pool pump motor will take care of your pump season after season.