zophar
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Ok, so both of my PMP400 pumps are failing. So I'm looking to replace the. But I have a quick question. What is more important? Head pressure or discharge volume? I have currently 3 radiators, and 4 water blocks. But I'm going up to 5 water blocks in the near future. So di I look more to the discharge volume? Or would I want the higher head pressure due to the increased length of the loop? Thanks for the time.
post edited by zophar - 2014/12/24 06:34:47
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bcavnaugh
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Re: Water pump question
2014/12/22 18:15:25
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bcavnaugh
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Re: Water pump question
2014/12/22 18:16:43
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bcavnaugh
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Re: Water pump question
2014/12/22 18:22:10
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Also when my PMP400 went out I could only use the one that Koolance sales because of the wiring to the pump controllers. Is your pump from Alphacool? You can find out about pumps here: http://koolance.com/how-to-build-a-water-cooled-pc under Finding a Pump. I keep my pumps at 2.1 LPM for the most part.
post edited by bcavnaugh - 2014/12/22 18:38:59
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zophar
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Re: Water pump question
2014/12/22 18:33:32
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bcavnaugh
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Re: Water pump question
2014/12/22 18:41:59
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zophar
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Re: Water pump question
2014/12/22 18:50:59
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The two pumps I listed will fit the reservoir and would be an increase in performance. And price wise they're not really much more expensive. And I like the reservoir other than the factory face plate was poorly made. Hopefully they have fixed that since. I had Gone Crusing make a new one for me when I got the reservoir. Speaking of Gone Crusing, I wonder what happened to him. I haven't seen or heard anything from him in a year or two. Which kind of sucks, because he did fantastic work making acrylic cases.
post edited by zophar - 2014/12/22 18:53:51
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vsg28
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Re: Water pump question
2014/12/22 20:28:19
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☼ Best Answerby zophar 2014/12/23 03:48:12
Actually no, the MCP50X isn't a DDC and will only directly fit the Swiftech reservoir. Of course you can use a male-male adapter to hook it up to any reservoir if that's ok.
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zophar
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Re: Water pump question
2014/12/23 03:47:48
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vsg28 Actually no, the MCP50X isn't a DDC and will only directly fit the Swiftech reservoir. Of course you can use a male-male adapter to hook it up to any reservoir if that's ok.
You are correct. I misread the review I had seen, and then found a thread on Swiftech's forums that clearly stated it was different enough that the DDC tops will not work. Thank you for making me look again vsg. So that pretty much takes care of that.
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vsg28
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Re: Water pump question
2014/12/23 06:59:30
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No worries, glad it saved some money and time
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zophar
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Re: Water pump question
2014/12/24 06:43:36
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Well on a positive note I'm pretty sure sure I found most of my problem with my pumps. When I looked at the pump connectors I could see a some browning on the connector from heat. Here's a pic, but it doesn't show the discoloration of the connector as well as in person: But on closer inspection the pin retention barbs inside the connector are bent (most likely from someone pulling on the wires to disconnect the connectors in the past) so when the pumps are plugged in the female pins are pushed back into the connector causing an intermittent connection. The intermittent connection probably cause a high resistance problem as the pins moved and lost and regained connection and I'm pretty sure that's where the discoloration came from. One of the pumps is still a little goofy so I'm going to swap to a molex connector that has a stronger more robust pin so this doesn't happen again. Here is the pic of the bent retainer barbs: Sorry for the bad pic's all I have is my phone, and it didn't like getting that close to take pics.
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bcavnaugh
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Re: Water pump question
2014/12/24 07:49:28
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That is good to know, thanks. I will check mine that have that type connector to see I if may have the same issue.
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zophar
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Re: Water pump question
2014/12/24 08:22:34
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bcavnaugh That is good to know, thanks. I will check mine that have that type connector to see I if may have the same issue.
Definitely worth a look. Saved me from spending $150+ to replace my pumps.
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bcavnaugh
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Re: Water pump question
2014/12/24 09:51:12
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So Both your Pumps are OK? This is indeed good news.
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zophar
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Re: Water pump question
2014/12/24 10:32:47
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One is good. The other still fades on and off. So I'm going to replace the connector and see if the problem goes away. It is possible that the pump is damaged or worn inside. But it's easier to replace the end and see if it's ok before tearing down my loop and messing with the pump.
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