Order your motor with more accuracy, by using Voltage and Amperage ratings, not confused by marketing -vs- electrical horsepower ratings. Replaces almost all underskirt spa pump motors in use today. Thru-bolt design. Normal replacement for most under-skirt spa pump motors, and many swimming pool pumps that use the thru-bolt 48 frame design. Find replacement instructions at SpaSupport.Com Pump Seal Listing Wet End Listing