Toilet flushing problem

**husky** · 11-05-2012, 04:53 PM

We just started having a problem with flushing. When we flush it does not seem like it wants to draw the water down right. I have pulled off the air vents under the sinks and it flushes right. Have installed new vent caps but did not help. Any ideas?? And yes this is on a double wide trailer.

hj · 11-06-2012, 06:02 AM

IF it flushes with the "air vents" off, it is NOT a problem with the air vents. You have a plugged sewer, or at least the pipe is full of water for some reason. That is a problem with "air vents" which does not occur when the vents are installed properly so you do not need them.

**Gary Swart** · 11-06-2012, 11:43 AM

What are "airs vents"? Inquiring minds want to know. I'm just a dumbass DIY, but I've never heard this term before.

**husky** · 11-06-2012, 12:56 PM

Thanks HJ. The air vents I'm talking about are just a one way valve. They were to cheap to run the pipes right!!

**jadnashua** · 11-06-2012, 01:36 PM

Originally Posted by husky

Thanks HJ. The air vents I'm talking about are just a one way valve. They were to cheap to run the pipes right!!

Those are generically referred to as AAV (air admittance valves)...note that they can't be the ONLY vent - you still need at least one atmospheric vent out the roof for the overall system to work properly.