My system consists of a White Water, an MCW50, a large (somewhat more restrictive than typical) heatercore, four 3/4" ball valves, about 10 feet of 1/2" ID tubing and about 10 feet of 5/8" ID tubing.
According to my mobo's temp sensor, my temp dropped ~1C when going from a 1048 to an Iwaki MD20-R.
I'd say the 1048 will do just fine.
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