I'm currently doing a complete bathroom remodel. The hot and cold supply to the shower out of the slab are both 1/2" copper. I had to cut the copper lines down low as they use to be for a bathtub, so I'm moving them up. So from there I want to run PEX up to the diverter and from the diverter to the shower head and spray bar. Will 1/2" pex be sufficient or do I need to run 3/4". At first I figured 1/2 was good but I'm second guessing now
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