Response to We have a Hayward Super II Pump Model# K45N2N104 S/N 8B05, 2hp, 1.55KW, 230 volts, RPM 3450 56J Frame. Can I purchase a ECM27CU for this? It doesn't look like a fit for the round flange. I know it should be the right motor, but I just want to be sure before I purchase it. Can I return it if for some reason it doesn't fit?

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