Forget NG, go with NFG ...

First, it goes uphill - that part's NG.

Second, if that thing discharges, it will blow that trap apart, and that is not an approved connection (there should be no connection) - that part's NFG.

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Jerry Peck, Construction / Litigation Consultant
Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
EastWestData (www.EastWestData.com )