That trap would not be the problem. You do have a problem if sewage is backing up in the tub. With the waste backing up no trap can prevent trapped gas at the point where the waste fills the trap and flows into the tub, getting the lines cleaned so there is no backup is the problem not the trap.

Why does my house randomly smell like sewer?

If you are detecting foul sewer odors inside the house, this means that there is a weak link somewhere in your plumbing system. Possible sources include bathroom sink drains, toilets, kitchen drains, basement drains, old cast iron piping, or even the vent stack that goes out through your roof.

Why does my bathroom smell like sewage at night?





Broken, Clogged or Poorly Installed Vent Pipes



The vent pipe is your sewerage system’s breather. When it gets clogged, the sewer gases can back up into the sinks and the toilet, resulting in your bathroom’s sewage smells.

Why does my drain smell like sewage?

There could be odor-causing bacteria feeding on debris in your pipes. This process will give off a foul-smelling hydrogen sulfide gas, which smells like sewage or rotten eggs. Also, mold grows where it’s warm and wet — and mold growth on the debris causing a drain clog can also cause a bad smell.

How do I get rid of sewer gas smell in my house?

8 Ways to Get Rid of Sewer Gas Smell

  1. Clean the sink overflow. …
  2. Check the toilet wax ring. …
  3. Caulk the toilet base. …
  4. Clean out bacterial growth in drains. …
  5. Check rarely used bathtubs and sinks. …
  6. Check for leaks. …
  7. Inspect your garbage disposal splash guard. …
  8. Schedule a video drain inspection.


Is there a device to detect sewer gas?





A Sewer Gas Detector is a electronic handheld device that has a gooseneck with a sensor. The sensor detectors sewer gas coming from your drain in your shower, bathroom or kitchen. The sensor changes electronic signal and sent to the display showing you the gas concentration level detected.

Does sewer gas smell come and go?

The smell is likely strongest at floor level or at the drain. While it might come and go (or you may become so used to it you no longer notice it), it’s not fixed even if the smell dissipates for a while.

How do you get rid of sewer smell after backup?

  1. Open all the windows in the house to get the smell of raw sewage out.
  2. Fill a plastic spray bottle with undiluted white vinegar, and use it to neutralize raw sewage odors in your home. …
  3. Sprinkle baking soda onto your carpeting to get the raw sewage smell out, let it sit overnight, and then vacuum thoroughly.
  4. Can sewer gas come up through the toilet?

    Loose toilets



    Toilets are an important part of the sewer system in your home. To protect yourself from a leakage of gas from the pipes, toilets should always be tightly fitted to the sewer lines. A loose toilet can cause a gap in the pipes and lead to a leakage of sewer gas into your home.

    How do you get rid of sewer gas smell in bathroom?

    Pour a gallon of hot, boiling water down any drains that are rarely used, such as the basement drain or guest bathroom shower. This should help eliminate odors caused by dry traps.

    How long can you be exposed to sewer gas?



    Per OSHA guidelines, the acceptable 10-minute exposure limit of H2S is 10 parts per million (ppm). Exposure to 100+ ppm of H2S is considered Immediately Dangerous to Life and Health (IDLH). To protect against exposure to this toxic gas, property owners should: Test the air for hydrogen sulfide gas concentrations.

    How do you fix a smelly p-trap?

    To eliminate odors coming from a dry p-trap, pour half a gallon of water into the trap to restore the barrier. It will prevent the odors from seeping through the drain. Another helpful method is to add a cup of white vinegar bleach to get rid of larvae and slow down the evaporation.

    How do I know if my P-trap has water in it?

    Quote from the video:
    What's going on first of all every single plumbing fixture has a trap a water seal. So underneath the sink you might see a trap like this and what you don't see is there's always water.

    What does a sewer P-trap look like?



    Quote from the video:
    Key traps are named after their shape. They use a small bend in the pipe to drop water creating a seal this trap seal prevents sewer gases and odors from leaking into your home.

    Where are P-trap located?

    In a nutshell, a p-trap is a u-shaped bend in the waste pipe that connects a sink’s drain to a home septic tank or to a municipal sewer system.

    Why does my P-trap smell?

    A p trap is designed to use water to block the sewer gases from leaking up the drain. If a sink’s p trap dies out this can result in a drain that smells bad. To alleviate this problem pour water down the drain to restore the water barrier in the p trap.

    How do you unclog a P-trap?

    Quote from the video:
    Things that will be needed bucket to catch water pair of water pump pliers. First remove the lock nuts. Also known as slip joint nuts. At this point you're going to get a little bit of water.

    How do you tell if P-trap is working?



    Quote from the video:
    The pressure of the water going down creates an overflow. And then the water goes right through the plumbing just as it normally.