Quote:
Originally posted by bigben2k
It certainly wouldn't be my first choice. That's like running pumps in parallel. Also, because of the rad placement, they are in parallel too, that part is good.
If you're looking to increase performance, get a pump with a bigger head: your actual flow rate will be much closer to the pump's spec at 0 head. Or, do what I'm considering: a combination of parallel and series (like 4 ViaAqua pumps).
Good pumps are not only hard to find, they're also extremely expensive. I've specd out an Iwaki, amazing pump, but $300, so no way.
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You missed the point of the special Y adapter going from two 1/2" id to one 3/4" id. As long as the block doesn't restrict the flow in this configuration then I see no reason for it not to work.
I get plenty of flow with my pump, I am only speculating that two weaker pumps may perform better than one.