This long pipe is called a plumbing vent sewer vent plumbing stack vent or roof vent.
Snake roof vent pipes.
It may sound like an urban myth but snakes have been known to end up in pipes and appear in the toilet.
You can also feed the hose down into the vent pipe as you would a plumber s snake to dislodge a clog that s not solid enough to dam water.
When a clog forms in the vent stack it blocks the free flow of air.
Indoor plumbing is messier than roof plumbing but it s also safer so try plunging and snaking the drain inside first to make sure going on the roof is even necessary.
They re not coming up through the plumbing usually they enter from the top of the bowl.
It also helps remove gas and odors common with a plumbing system allowing fresh air into the system to help keep the home smelling proper and to help water flow smoothly down the drain and out of the house.
Blockages caused by frozen plumbing vents can be a problem for homes located in extremely cold climates.
If you re brave here are several stories from around the world where it happened.
You can find your plumbing.
A plumbing vent or plumbing vent pipe is designed to regulate the air pressure throughout your plumbing system.
Just as drain pipes remove water and waste from your home the plumbing vent pipe also known as a plumbing air vent removes gas and odors it also allows fresh air into the plumbing system to help water flow smoothly through the drain pipes however no water.
There s a snake in the toilet.
Preparing to unblock the vent.
Vents allow sewer gases to escape and allow air into the line to fill the vacuum created by water flowing through the pipes.
The plumbing vent also known as a vent stack helps regulate the air pressure in your plumbing system.
They also work to vent any sewer gases and nasty odors.
Instead they serve to equalize air pressure within the dwv system and also release sewer gases into the outdoor air as all vent pipes terminate through the roof.
The best way to clear a frozen vent is by pouring really hot water into the vent pipe.
The vent pipes are part of the drain waste vent or dwv system of a house or building and they do not carry water inside them.
What is a plumbing vent.