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Quick Q about the Laing DDC-plus 18w

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andyl33t

andyl33t

Member
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Joined
Nov 25, 2004
Location
U.K
Is it possible that due to not having a lot of resistance in the pump, that the pump makes a noise when a modified top is used and the barbs are at right angles to eachother?

I used to have it upset to the barbs were at right angles, but the pump used to make an awfully loud noise, so i changed it so they are next to eacother. I have a alphacool top.

The reason I say this is because I thought since the water is traveling so fast that it is hitting the impeller very hard and causing it to make noise?

Thanks
 
andyl33t said:
Is it possible that due to not having a lot of resistance in the pump, that the pump makes a noise when a modified top is used and the barbs are at right angles to eachother?

I used to have it upset to the barbs were at right angles, but the pump used to make an awfully loud noise, so i changed it so they are next to eacother. I have a alphacool top.

The reason I say this is because I thought since the water is traveling so fast that it is hitting the impeller very hard and causing it to make noise?

Thanks
Click to expand...
I have the same setup and use the top as my inlet but this top is NOT modded. My pump is almost silent.
 
I do not mean that the top is modified, i ment I have a 3rd party top - the alphacool one.
 
is it setup like the Petra top? (barb comes IN in the top center)

I had my stock ddc installed for a few days without the top and sitting with the base down(laying flat) and it made alot of noise but died down after many hours. I now have it mounted sideways ( with the ultra top) with the outlet pointing down and it's quiet as a mouse.
 
Yup, the pump is the same as petras top, but i don't think it performs the same as petras.
 
wonder why? the water doesn't just go straight in? is the cavity just a little bigger? what's the difference?
 
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