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Old 05-20-2012, 01:39 PM
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Originally Posted by rusty shackleford View Post
just pulled it out and found all the blades on the impeller snapped off......

its in my sump with no sand, snails or anything else to get sucked into it & i used the strainer on the intake.

any ideas ?
Restricted flow will not break the blades off. No chance.

Something definitely got inside.

I highly doubt that the retailer is going to cover physical damage like that.

Worth a try anyhow.

As for asking for made in Italy. Good luck. Long gone.
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Old 05-20-2012, 01:49 PM
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Quote:
Originally Posted by paddyob View Post
Restricted flow will not break the blades off. No chance.

Something definitely got inside.

I highly doubt that the retailer is going to cover physical damage like that.

Worth a try anyhow.

As for asking for made in Italy. Good luck. Long gone.
I am not a pump expert but in an impeller type pump if flow is restricted too much or trying to lift past it's max head will it not cause cavitation and "not normal" water motion resulting in all kinds of water forces that could bend a shaft or break off a blade?
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Old 05-20-2012, 02:35 PM
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Quote:
Originally Posted by Snaz View Post
I am not a pump expert but in an impeller type pump if flow is restricted too much or trying to lift past it's max head will it not cause cavitation and "not normal" water motion resulting in all kinds of water forces that could bend a shaft or break off a blade?
I have 4 little pumps... running a HOB fuge and reactors... all restricted but one. Never had a blade break.

Also not a "pump expert", so I guess anything is possible, but it would surprise me.
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I wonder... does anyone care enough to read signatures if you make them really small? I would not. I would probably moan and complain, read three words and swear once or twice. But since you made it this far, please rate my builds.
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  #4  
Old 05-20-2012, 08:10 PM
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j&l replaced the pump, no questions asked.
i cant say im 100% sure nothing got into it, but its in a section of my sump with no snails, sand only thing in that section is my skimmer.
and my over flow box has a filter sponge on it, never see any solids in there.
i didnt think restricted flow could do it either, i thought it was more likely it burnt out the motor

sisters bringing the new one out tomorrow and ill give it a try again, hopfully there will be no issues but im never gonna have full confidence in it after the first POS crapped out.
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