I want to install a utility sink in my basement. The problem is that the main sewer line is on the other side of the house and there is no way to run a pipe from where I want the sink to the main sewer line easily and without running through a finished portion of the basement. There is however an auxiliary vent pipe right next to where I want the utility sink (see pic). This vent pipe vents fixtures in the second level of my house and directly vents through the roof. Here's my question. Is it okay and to code if I drained the utility sink directly into the auxiliary vent? Is this considered wet venting? Would you expect there to be any problems with this set up? Thanks!

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