A rancid odor coming from your sink drain may just be coming from debris in the p trap but if it smells like a sewer it probably means venting problems in your drain system.
Sewer smell from kitchen sink drain.
How to get rid of sewer gas smell now if you smell sewer gas you have a different problem.
It blocks sewer gases trying to travel inside your house from the exterior systems.
A typical sink trap.
It works by holding water at the bottom of the curve to block the gases from going the wrong way.
If you look underneath any sink in your home you should notice a u shaped bend in the pipe.
The cause of kitchen sink smells is often decomposing food in the garbage disposal or p.
Fortunately one of the most common causes of sewer odors in drains is also the easiest to fix.
When the vents are blocked flushing a toilet can create sufficient vacuum to suck water out of the trap and allow sewer gases into your home.
This usually happens at one of two places.
Odors emanating from the sink drain affect the atmosphere in the kitchen or bathroom in more ways than one.
If the p trap is blocked or dry it would cause a sewage smell to emanate from the sink.
This smell is leaking in from the sewer through the drain.
Smells can waft into a room if a drain pipe s water trap has gone dry and solving the problem is as easy as running a little water.
The sink trap if you look under your kitchen sink you ll see a sink trap.