When I use the shower the smell fro the drains comes back up in the toliet, the shower an dthe sink. I use sink unblockers but this only lasts a week or so. Is it not working properly or is this a common problem?
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sounds more like the drain line is clogged between the shower and the main stack, and shares venting and drain with your kitchen sink. Have a plumber run a drain snake down from your kitchen drain (after the 'P' trap ) to clear the line. A covered over floor drain should have no effect on the back-up.
This is likely "sewer gas" and can cause headaches, dizziness, etc. if you remain exposed to it for a prolonged period of time. This originates mostly in the drain openings of fixtures that are seldom used - such as sinks and showers of basements, guest rooms, etc.
When these fixtures do not get used regularly, the relatively small amount of water that is designed to always be present in the "trap" portion of the drain pipe eventually evaporates. This trapped water prevents the the gasses in the sewer / septic system from passing through the trap. Without it, these gasses will rise through the pipes connected to the sewer / septic system and exit into your living space via the drain opening in the floor drain, shower, tub, sink and even toilet if left unused long enough.
It is usually resolved very easily by slowly pouring about a 1/2 gallon of water down the drain. The water now isolates the drain opening from the sewer / septic system and effectively stops odors from escaping. If you find that this is happening regularly (often from floor drains in dry basements) you should slowly pour water 1/2 gallon of water into the drain, and then add 2 to 3 ounces of cooking oil. The oil is lighter than water and will sit on top of the water surface. Oil does not evaporate and blocks the water from evaporating through it. Evaporation of the water in the trap will take place from the sewer / septic side of the trap, but it occurs at a much slower rate.
After filling the traps with water or water & oil, just ventilate and you're done!
Suppose you plugged the drain of the sink and filled the basin with water, then removed the plug. I must think that only after the basin empties you would get the sewer smell, and the smell would persist until you slowly ran some more water. If you try this, and this is the result, then the problem is that the sewer vent (that is supposed to prevent the water in the trap under the sink from being sucked down the drain) is not working right. If this is a new problem then you may be able to clear what is probably a blocked vent pipe. If this bathroom has always had this problem, then you have a poorly designed or executed vent pipe setup that you can only fix it with some surgery to your plumbing. However, to clean the vent you can try pouring a good bit of drain cleaner down the vent pipe on the roof, followed by water. But because there may be several vent pipes sharing the same vent stack out the roof, the drain cleaner may not get to your blockage and may simply go down a different path. Good luck.
This problem can normally be fixed very simply and you can do it yourself. 1. There is a flexible drain line that goes from dishwasher to the sink drain line or garbage disposer. 2 You will find this flexible drain underneath the kitchen sink. 3. Make sure that the flexible dishwasher drain line goes up above the sinks lower portion of the sink basin and then comes back down into the sinks drain line or grabage disposer. The dishwasher flexible drain line must go above the bottom of sink basin like an upside down u shape, it will act as a upside down p-trap that you see under the sink in the sink drainline. 4. Once you have the flexible dishwasher drain line in this configuration (upside down U shape or p-trap) it will prevent air from leaking out of the dishwasher as the smell you are smelling is coming from the drian line. 5. You should also look inside the bottom of dishwasherr to make sure the drain screen is not clogged up.
The smell usually comes
when the washer is unable to drain water completely, you can run your washer at
its hottest temperature setting with 1 cup of vinegar inside the unit. After
this take off the bottom front panel and clean it completely, also clean the
drain hose and drain pump filter, the smell should disappear after doing all
this. Hope this helps...please post back for further assistance.
The smell may be coming from the sink trap if there is a problem with the vent pipe (that's in the wall from the sewer line to the roof). Do you ever hear gurgling in the sink drain when you flush? When you have the smell again, stick your head in the sink and see if that's where it's coming from. If you have a floor drain, the smell may be coming from there. In either case, a bit of water added to the drain will fill the trap and stop the smell.
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If the smell is coming from the drain in the sink, it is more likely that THERE is the problem rather than the washing machine. Washing machines deal only with 'dirty' clothes whereas sinks have all sorts of things going down them! You could have a partially blocked u-tube (not to be confused with YouTube!) in the sink because normal (changing/flowing) water in the u-tube should block smells coming from the main/foul water drainage system.
I would definitely investigate the sink! If it is not practical to remove the u-tube, use a propriatory sink cleaner ensuring that it is the right one for the job- OK for plastics or OK for metal (not chrome).
Hi Jenny - I had a terrible smell coming from under my sink, and I too thought it was a dishwasher/garbage disposal drainage issue. I used vinegar, baking soda, bleach and hot water on a daily basis. When I cut out the wallboard from under the sink and the smell got even worse, however, there was no sign of any water leaks or evidence of a dead animals. Come to find out, when I had a "friend" cut out a pass through from my kitchen (above the sink) into the den, he cut the pvc exhaust pipe and didn't re-route it nor cap allowing the fumes to escape outside via the attic. Thus, the fumes had no place to go other than down. The smell confused me because I thought it was rotten food or most likely a dead mouse trapped between the wall. The smell was actually causing me to get headaches. It's been almost 24 hours that this was repaired and I already can "smell" the difference. I hope this helps! Good luck.
It sounds like your dishwasher does not have an air gap. Newer dishwashers come with an air gap installed, but they can be taken out. A quick fix for this is to:
Check the drain line under the kitchen sink. The drain line is supposed to run from the bottom of the cabinet, and run as high in the cabinet as you can get, (up to the bottom of the counter top) then connect the drain. This is called an air gap, and helps keep a little water in the drain line, which will prevent sewer gases from entering your dishwasher, and garbage disposal.