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Is a new pump supposed to look like this?

post #1 of 13
Thread Starter 
Hi,
I just purchased a new D5 pump (Swiftech MCP655-PWM) and the pump (to me) looks a bit used. Would you guys mind taking a look at attached pictures and let me know if that's what a new pump is supposed to look like? I don't mind the look given that it'll sit inside my reservoir (Monsoon Series Two), I just want to make sure I'm not getting ripped off.

IMAG0019.jpg
IMAG0020.jpg
IMAG0021.jpg
IMAG0022.jpg
post #2 of 13
That definitely looks used, my two alphacools had no striations or what look like water stains on them when they came out of the box.
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Backbreaker
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BRUTALIS
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post #3 of 13
Definitely used. Looks nothing like how mine first came.
     
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post #4 of 13
Its completely normal. Remember that these pumps are an industrial / commercial pump that has been adapted to retail sale.

The marks on the impeller face are just a slightly bad plastic moulding job and the marks on the steel are probably manufacturing process leftovers.

None of the parts you can see there would look any different even if they had been used. The impeller face does not contact anything to create marks when used. The steel rim is stainless and does not mark from normal use.

It doesn't look much different to this really.


Edit: Or any of the pumps in this thread;
http://www.specialtechforums.co.uk/showthread.php?2241-Is-this-normal

Some impellers are nicer to look at than others. They are not made to be pretty, they are made to work.
Edited by Jakusonfire - 8/24/13 at 6:21am
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post #5 of 13
That's about as new as my grandads teeth. .
post #6 of 13
The stains are kind of odd, but the scratches in the plasic are pretty normal. I´d say just hook up a small loop in the kitchen to see how it runs. If it doesn´t run properly, you can always return it.
post #7 of 13
Arnt they tested before they leave the factory. The marks look like water stains
post #8 of 13
Even if it were used, I don't think it would look like that. I think that is just manufacturing stuff.
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post #9 of 13
I've never seen a new one look that bad. Something's up there. Do they all look perfect when they're new, no. Do they look that bad, no. Looks like a return from someone that installed it improperly.
Regardless of being a industrial pump adapted to watercooling. It shouldn't look that bad. OP -Where did you get it?
    
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post #10 of 13
Think about the manufacturing process, you guys act as is everything is made in fairy land clean rooms. Whatever machine that stamps that steel ring around the impeller probably uses a light oil. All it would take is for a worker to simply not clean the light oil off for those marks to be there. I know oil will leave stains like that on aluminum. You cannot tell a used D5 pump from a new one unless someone ran it in a pond. Water has never left stains like that when I removed both of my D5 pumps.
Edited by Namkab - 8/24/13 at 7:37am
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