I took a look at the pump. It is a A. O. Smith pump not Waterway. The voltage is 230v and 16 Amps , and it says continous HP 4/4.8 on the label. None of the labels peal off. If you use around .9 for the efficiency then you get a 4.5 continous HP pump. So I think the pump is 4.5 continous.