The two biggest reasons they were deemed unreliable before if I'm not mistaken were due to leaks from the seals and corrosion. In this pump there are no longer seals and the housing is made of derlin, which will not corrode. From what I gather the there are very few aluminum parts in this new pump and the ones that exist are subject to a new process stronger than anodizing. So we'll see what happens, I'm not trying to defend them really, just gets the facts straight.
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