Do You Have to Vent a Shower Pan Drain?
Sewer gases not only smell bad, they can also be dangerous. Exposure to the different gases may cause you to feel faint, dizzy or nauseous. In some cases, exposure to sewer gases may cause a person to faint or to die from a lack of oxygen. Sewer gases may also contain hydrogen sulfide or methane, both of which may ignite or explode when exposed to a spark or an open flame. If you think you smell sewer gas in your house, you need to limit your exposure to the gases until you have a professional examine the cause of the sewer smell.