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I have a Raypak 8450 HP. It works great but it is relatively restrictive. It seems like even though it has a titanium heat exchanger and does not call for a bypass, that a bypass is still a good thing to have. According to the manual it looks like I’m probably getting 9-10 on the pressure drop...

I recently purchased a home with a pool. It is inground size 40x20. I am trying to have the most efficient flow possible with my setup. There are 2 skimmer lines and one main drain line. All 3 are 1 1/2 inch. Then one single line is also 1 1/12 going into the pump. Should I make that 2 inch for...