Thank you so much. Do you know if the venturi parts will fit on to it or will i need to modify those as well?Look for MaxFlo pond pumps. Same Askoll motorblock but not sure if it's the 1350 or the 2000 series that you need.
IIRC, BA used to carry those pond pumps and the last one I got was from NAFB. Take the skimmer pump with you to match the size.
You may have to drill the holes on the motorblock a bit larger to accomodate the Ti screws.