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Some D5 Pumps are different than Original Laing

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post #11 of 42 (permalink) Unread 05-04-2019, 02:04 PM
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Quote: Originally Posted by ciarlatano View Post
The fact that PWM versions have added electronics is well known. All fo them, not just EK. But, were you following the D5 conspiracy through the seemingly endless threads he has posted it in, it is not PWM pumps or the electronics that are in question.

oh, well that is unfortunate, as no conspiracy is needed. I feel bad for companies developing new pumps, because people like me realize that most of them will fail. the 755 being a prime example of this. all I was trying to convey is that the best practice, in my opinion, is to only get pump styles that are at least 7 years old, and still have good reviews about the pump still running.

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post #12 of 42 (permalink) Unread 05-04-2019, 03:24 PM - Thread Starter
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Someone ask for good D5... These two...

https://www.dazmode.com/store/shop/w...cp655-and-etc/

https://www.newegg.com/Product/Produ...-082-_-Product



Did you hear that guy say Only difference he recognize, on only problematic pump from 5 tested on video is small parts on EK D5 G2 PWM and other 4 models don't have that at all, or don't have exactly same. I couldn't see what is true. Don;t have them at all, or they are different than on only problematic pump?
IF HE FIX PUMP VIBRATION DRILLING RESERVOIR, TOP OR D5 DISTRO THAT'S OBVIOUS CASE FOR AVOIDING. BECAUSE PUMP NEED MORE SPACE AND BECAUSE OF THAT YOUR CASES VIBRATE MORE.
YOU CAN DEFEND PEOPLE WHO MAKE SUCH MISTAKES DURING PRODUCTION AS MUCH YOU WANT, BUT THERE IS A TWO OPTIONS.

1. HARDWARE STORE WHO SELL LAING D5 38/810N FOR 250-300$ AND BUY THEM ARE IDIOTS.
2. LAING D5 38/810N WITH PRICE 250$+ ARE DIFFERENT SOMEHOW THAN PUMPS OFFER IN COMPUTER STORES.

No 3rd option. You can say they have Bronze top, it's Strong version, it's different wattage, yes, all of this true, but among them is and 810N model with absolutely same specification, strength, port size and top as pump sold in computer stores as XSPC, EK, Alphacool, etc with price 250$ and Laing sticker.

There is a two much coincidence, to EK start to offer D5 Rubber Dumper exactly in period when they start to sell PWM pump.
And to tell If pump vibrate more use other soft rubber. Why? We know how much D5 vibrate after 15 years of use.
I can't say is it Lowara with Speed Controller same as 4 other pumps, or is it Watercool WCP D5 wSpeed Controller or Watercool non WCP D5 wSpeed same as other pumps on video clips who didn't cause vibration on normal top. Actually that's not top, that's distro carefully made for D5 impeller and one of pump EK D5 G2 PWM vibrate until he drill more Distro and than pump worked like others.

His conclusions is probably that now heavier impeller spin faster and spin on slightly more distance because these metal parts who make him heavier.

"Which among these did you buy?

1- http://shop.watercool.de/epages/Wate...Products/30047
2- http://shop.watercool.de/epages/Wate...Products/30049"



And I would like to know answer on that question.
Logic say model with Stainless Steel WCP, but again cheaper variant is older stock and less chance that they change something.
And I would like to know answer that would save me importing from Canada or USA Swiftech MCP655TM wSpeed Controller or Laing D5 Ecocirc from DazMode site.
He say Original Laing D5 rebrended later by EK, and others. Some people say that's like EK Lowara.



My EK-D5 G2 PWM vibrate, He vibrate worse on 55-70% than on 70-100%.
On speed where she need to be used most of time he make worse vibration, than after that vibration become less but pump motor noise is stronger.
And EK when I asked RMA answer to me Don't tight pump in top too much. I didn't tight much, I tight less then default but I could allow water to leak.

Their answer perfectly fit with solution of this guy. They tried to explain me if I don't tight pump to much space between impeller and channel inside will be lower.
Same as guy on video make him bigger with drilling and stop vibration and grinding noise. But you can't tight D5 Ring if rubber and D5 is not pushed properly.

Last edited by ryan92084; 05-06-2019 at 03:31 AM.
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post #13 of 42 (permalink) Unread 05-04-2019, 03:35 PM
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I own koolance, swiftech, and aqua computers pumps. they all work well, and will last. so yes every time a company alters the pump that change may effect the pump in a negative way. so it is always a good idea to wait, when a new pump is brought to market.

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post #14 of 42 (permalink) Unread 05-04-2019, 03:46 PM - Thread Starter
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Exactly and they change In negative direction most of time.
Because they obvious didn't like original German Laing D5 and than start to work on her and that affect on us and everything is worsen by people who constantly repeat all of them are same, that's Laing D5.

OK then buy EK D5 Gen2 and VP755 Alphacool and you will get what you ask and then complain on self because listen people and not research itself.

Swiftech is most famous D5. Because they start to offer them first, and up to 2009 Laing Germany produce them, and who knows how long stocks hold them and glory of them last today and still most advice go to MCP655, but they implement PWM version and now have same as other companies.

I could keep EKWB D5 G2 PWM max on 50% in silence, that's between 2-3 speed on Controller.
On Speed 3 3300 RPM vibrate is worse than on 4 or 5. I hope 50% is enough until new platform and then I will buy CPU Block and D5 without PWM.

Last edited by Vlada011; 05-04-2019 at 03:55 PM.
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post #15 of 42 (permalink) Unread 05-05-2019, 01:00 AM
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Quote: Originally Posted by Vlada011 View Post
OK then buy EK D5 Gen2 and VP755 Alphacool and you will get what you ask and then complain on self because listen people and not research itself.
The EK D5 G2 is a Laing D5 pump, the VP755 by Alphacool is a China made D5 clone, so don't classify them as the same.

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post #16 of 42 (permalink) Unread 05-05-2019, 03:10 AM
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It seems (talking about myself) i did made a good choice with my watercooler pump....
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post #17 of 42 (permalink) Unread 05-05-2019, 06:32 AM
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Quote: Originally Posted by Mordorr View Post
A segunda. The second one.
Thank you in Portuguese. Lol.

Had you have any experience with some D5 beafore?

I search the quietest pump or pump+volute or pump+volute+reservoir out there. I still do not know what is.

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post #18 of 42 (permalink) Unread 05-05-2019, 09:31 AM
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No.
Before i did use aquarium pump EHEIM made in Germany for may years...

The reservator i did choose was HEatkiller 100Ml D5.

Some photos:






Not the most fashion style system, but works flawless

Last edited by Mordorr; 05-06-2019 at 03:50 AM.
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post #19 of 42 (permalink) Unread 05-06-2019, 02:35 AM - Thread Starter
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I become angry when EKWB ignore me to replace me D5 pump because vibration and noise.
Because I bought from them a lot of parts they should help me because they knew for D5 G2 PWM is more problematic than Lowara D5 non PWM.
They would send me Lowara D5 I would send them EK D5 G2 crossshiping and problem would be over.
Because my pump is only and I can't RMA and wait them 15 days.
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post #20 of 42 (permalink) Unread 05-06-2019, 02:44 AM
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Quote: Originally Posted by Mordorr View Post
No.
Before i did use aquarium pump EHEIM made in Germany for may years...

The reservator i did choose was HEatkiller 100Ml D5.

Some photos:






Not the most fashion style system, but works flawless
I can't see tour pics. i don't know why.

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