Join Date: Sep 2003
Location: Auckland New Zealand
Thanked 33 Times in 30 Posts
Rep Power: 12
I once had a 3GM30 and the pump bearings also failed early (300hrs). I don't think this has to do with water quality or suspended particles etc. I think it has to do with lousy bearings.
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"Two possibilities exist: Either we are alone in the Universe or we are not. Both are equally terrifying."
Arthur C. Clarke