Don't know, but seeing as Cathars block is'nt the (cooling)bottleneck I'd maybe try to match the flow to the rads best/sweet spot, which might require a pump and a half to push 2.5GPM through 'White Water'
, I'm guessing though :shrug: ...
Won't know for sure till BillA finishes testing Cathars 'White Water'...
Jess sent BillA an 'Atlantis' for testing as well, there's two blocks I cant wait to see...
I hope BillA does another rad article soon with the new rads out, hopefuly somewhere that will bother to update it?
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