Can someone explain why the loop part (highlighted in green in the attached pic) of the drain that is inside the kitchen cabinet has to be all the way to the countertop line before looping back down under the floor?
Can the loop be a few inches below countertop line (maybe just a few inches above the sink drain but not to the countertop line?) so that I don’t have to cut my kitchen cabinet? I wanted to place my piping in the back of the cabinets but to accomplish that I would have to cut a structurally important panel and I don’t want to do it.
Is it absolutely necessary or required to be at max height under countertop?
If it is absolutely necessary to go to the max below countertop then I will have to find a place the piping in a slightly different position in the cabinet which allows not to damage the cabinets structural integrity.
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