Bad Floor Drain P Trap And Backup
Use a wet dry shop vac only.
Bad floor drain p trap and backup. Take a gallon of tap water and dump it down the floor drain. This will re prime the. How to diagnose basement or crawl space sewer odors due to a floor drain diagnosing repairing cast iron drain connection leak problems diagnosing sewer gas odors traced to plumbing drain deterioration questions. Floor drains are built with a trap that is designed to be filled with water in order to block sewer methane gases from venting upward.
This is the purpose of a venting system. A typical residential basement has at least one floor drain usually located near water fixtures such as a hot water heater or clothes washer. Sewer gas sulphur odor leak discovery cause repairs where a basement or crawl space floor drain or drain trap is the problem. If the drain lines in your home have poor venting as in figure a for example water rushing down the drains will pull water from nearby p traps.
Where a floor drain is located. Whether the drain has a pitch or a p trap this trap can dry out allowing sewer odors to travel back up the piping into the air we breathe and smell. The straight hole is linked with the p trap aka haz trap that s filled with water. This impedes sewer gases from infiltrating your basement.
Put the vacuum hose in the center hole where the water flows down the drain into the p trap. Start sucking the dirt out from the trap using your shop vacuum. The p trap is located under your concrete floor and when it dries up it will allowing the sewer gases to enter into your home. A sump full of debris will lead to a floor drain backup.
As water goes down a drain air is needed to equalize the pressure in the drain line. Floor drain sewage odor problem troubleshooting.