Waterway 1.25hp executive pump impeller (2hp USA)

The hp rating listed is actual horsepower.
Some manufacturers label pumps with BHP (brake Horsepower) 
Sold in Australia on 1.5hp pumps with Magnetek motors in the late '90's. 
If in doubt, read the motor rating label, and email with details 

New dimensions:
8mm vane width x 6 vanes, 107mm diameter.

Original dimensions:
7mm vane width x 6 vanes, 115mm diameter. 
Marked 2hp in suction throat on older versions.