Can the impeller for a 6125 be used in a 6105?

[cantonreef]

I have a Tunze drive unit, part number 6125.700_A, and was wondering if this can be used in a 6105?

 

[rvitko]

The resulting pump would be weaker, but it would work.

 

[cantonreef]

How much weaker would it be? Would it be significant? I see that the 6125 is rated at 3,150 gph while the 6105 up to 3,400 gph. Would the 6105 using the 6125 drive unit be limited to 3,150?

 

[rvitko]

I would guestimate closer to 2700gph because the 6125 is 60Hz AC and spins at 3600 RPM, a 6105 at 24V is doing closer to 3200 RPM so the prop is a bit smaller but also spinning slower.