Does the main soil stack have to be completely vertical?

Vent pipes can have horizontal runs if there is no chance of them becoming plugged with water.Any water that gets into the vent pipe opening must be able to run all the way to the sewer without being trapped.

Can a vent pipe have an elbow?To keep the flow of water consistent, use wide-radius elbows.If the joint is below the level of the sink, you can't use the tight 90-degree elbow, even if you have vent piping.

A general rule is that you can only vent 2 fixtures on a toilet wet vent.The toilet is in the sink drain.The toilet drain should be 3′′, the sink drain is 1.5′′, and the shared sink/ toilet vent area is 2′′.

Vent pipes can be installed so that they exit the roof where you would find them least objectionable.The person has to avoid as many bends as possible.Your vent pipes can be easily relocated based on your description.Planning is involved as well.

If the plumbing is designed so that the toilet is within this distance of the soil stack, it will be able to vent by the vent stack.2 inch pipe is larger than the plumbing code requires.

Does every drain need a vent?Venting is required for every drain from your kitchen sink to the shower.The allowance of atmospheric pressure in the drain is called a vent.

If you can't put the main stack through the roof, most local plumbing codes allow you to put it through a wall.It must extend past the top frame of the highest window in the house, and in some locations it may even have to extend above the roof line.

The water can be lost if there is not enough air pressure in the drain pipes.If there is not enough pressure in the drain lines, water can flow away from the tank and cause inconsistent water levels.

A cheater vent is a vent that comes off a fixture and is buried in the wall.AAVs are designed to keep sewer gas out of your wall.It is a mechanical vent that allows air into the system.