Changed my 1hp motor to a 2-speed 1hp motor yesterday. Rebuilt pump (new O-rings/seals) and now the pump will not move water. Filled strainer basket and filter with water but pump will not move any water. Disassembled pump 3 times to verify all was installed correctly and don't see any issues. Only thing I can think of is a slipping shaft on the impeller but I can't get it to slip by hand.
I would appreciate any suggestions before I replace the pump.
And yes, the pump is running in high speed when selected. Low speed also works but not trying to prime pump in low speed.