I’m trying to install a drain saddle for my reverse osmosis system and only have a single bowl and the instructions are written for a dual sink. Is B the proper location for me to install the drain saddle? The instructions said to install it as low as possible on the vertical tailpiece. enter image description here

  • Not sure why the down vote , reversed, when you use term saddle is this the same as a T or wye? The saddles I have seen and haven’t used for years are a way to tap a line on a water supply where the saddle valve pierced the pipe, I haven’t seen one on a drain line but it could be possible and adding the drain to the point where the B extension is should work fine. – Ed Beal Jan 11 at 16:08

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