Mag pump - When to replace impeller?

[Phinnay]

I bought a used Triton 4 and it has been working great aside from (what I think is) a lot of vibration.

I have tried putting foam under it, rubber suction cup feet, even suspending it off the bottom of my sump with airline tubing, no difference. I have it attached to the PVC lines with a 1' section of hose.

Its not bad, no worse than having a refrigerator running in my living room but as I am new to this and have nothing to compare it to - is this normal? would replacing the impeller reduce vibration at all?

 

[cubalz]

I have owned many magnetic drive pumps and they all have a tendency for 2 things: heat leaching in water and vibration. I would examine the impeller and if it looks ok visually then I would leave it be and run it. Placing it on an insulator is the best thing for a quiet pump.