We released the
RP-401X2 (DDC) some time ago which follows this type of design. We won't be updating RP-402X2 (dual bay version) again because the single bay RP-401X2 appears much more popular.
We don't have any policy that disallows us from sponsorships, and we do assist with some builds. Unfortunately, as a small company, we can't afford to support most of the inquiries we receive. We don't want anyone to take it personally. There are a ton of great builds going on and we wish we could assist them all.
We realize the RP-452X2 has gone through quite a few revisions in a short amount of time-- more than we would like. The enthusiasm we received from the cooling community after the original launch accelerated our revision process. Most of our updates were rather minor so we're trying to avoid small, frequent updates in the future.
My real name is Tim, which I sign after all my posts. According to Oliver Laing, the inverted orientation is not recommended to avoid issues with air. If you burp the pump before running it, there shouldn't be any problem. We haven't encountered any difference in pump failure between our products with upright pumps versus upside-down, even after tens of thousands of pumps. For performance, our RP-401X2 was designed for two inverted DDC pumps, which
Martin listed as his "highest performing Koolance top tested to date".
I understand having air bubbles going through a pump until bled is extremely annoying, but individual systems vary in bleeding requirements and installation technique. There are alternative ways to avoid air going through a component if it's proving more difficult, including placing a fill port elsewhere in the system. It's no comfort to those experiencing problems, but the vast majority of RP-452X2 users are getting their Rev.1.0-1.3 units to bleed.
Tim
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