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Which Pump?

post #1 of 10
Thread Starter 
I'm looking at buying a beefier pump for my Zalman, and i was recommended this "12V Laing DDC-1T Pro 10W", but it's a little expensive - is their a cheaper alternative you would recommend?
post #2 of 10
Actually get the Laing DDC-2 (18W) version of that pump.

What is your tubing size? What is the current specs on your Zalman pump? The only reliable pump for less than $75 is the dB-1. However, it is much weaker (about 1/3 as powerful): http://www.petrastechshop.com/ddb12inpu.html
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post #3 of 10
Thread Starter 
i need 3/8 Barbs if that measn anything to you, certainly doesn't to me!

The Zalman pump i have atm is made by Eheim, and has (i think) 300 ltr/hr pump rate
post #4 of 10
In all honesty, you have a choice between risk/high performance or long life/slightly less performance.

The DDC2 18W Model with, say, Petra's top on it (The top replaces the original one which makes it "better") would be the king of performance now, however people have noted that it has reliability issues, and of it randomly dying. The link is a kit of sorts that includes the better 18W DDC and his modified top.

The Swiftech MCP655 on the other hand has slightly less performance but has a much higher lifetime on it than any other pump on the market now.

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post #5 of 10
Thread Starter 
i want something thats better than what i have now, from what i've heard these pumps are cheap crap, and will die on me - atm it's barely cutting it and i'm expecting i WILL need to upgrade it for my C2D (if i ever do it).

How much would i expect to pay for the Swiftech?
post #6 of 10
Quote:
Originally Posted by Jakg View Post
i want something thats better than what i have now, from what i've heard these pumps are cheap crap, and will die on me - atm it's barely cutting it and i'm expecting i WILL need to upgrade it for my C2D (if i ever do it).

How much would i expect to pay for the Swiftech?
The Liang D5 (aka Swiftech MCP655, Danger Den D5, Koolance PMP-450) costs around $75. It has 1/2" fittings so you will need to get 1/2" to 3/8" adapters.

The Laing DDC-2 (18W) without the modded top would be fine for you as well.

For your pump rating, flow rate of 300L/hr is useless without knowing maximum head. (Read my FAQ for more info)
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post #7 of 10
Thread Starter 
it's an "Eheim Compact 1000" in the Reserator at the moment
post #8 of 10
definately the Laing DDC 10W
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post #9 of 10
everyone always recommends "pc water cooling specific" pumps , and while a good pc specific pump will always work extremely well , they are , IMO , very pricy. i use an ehiem 1048 pump i got off ebay for $20 brand new...it flows very well and is absolutely silent....after seeing the performance of this "aquarium" pump for $20 , i dont think ill ever drop $70+ for a good "water cooling" specific pump. but if money isnt a problem for you...then go for it. just my 2 cents worth...
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post #10 of 10
Here is a D5 for $69, great pump..have two of them but they are larger in size.
http://www.sidewindercomputers.com/swmc12vdcpuw.html

The db-1 is a good single block type pump for $45
http://www.petrastechshop.com/ddb12inpu.html

I've thought about trying a db-1 for a NB/SB third loop because it's nice and small and cheap.
    
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