I have had nothing but issues with Alphacool products since trying to build a water cooled PC, whilst the UK suppliers have been great the products are poor in quality not manufactured to any real standard and fail.
I received second hand parts missing components and so far have failed to get any real response from Alphacool.
The uK supplier has since stopped this product line due to the issues
I post this as a warning so other do not waste their time & money.