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To vent off odors emanating from the septic/sewer system and to allow the toilet to flush correctly and the other drains to empty correctly.

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Q: Why do you have to vent your bathroom plumbing?
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Related questions

Does the Ontario plumbing code allow a U loop in a vent line for a basement bathroom to get around a heating duct?

No plumbing code allows a loop in a vent line. They must be pitched just like a drain line as there are many conditions where water can be in a vent line, such as rain through a roof vent and condensation. If the "u" were to fill with water it would no longer function as a vent.


How do you install a bathroom in a cabin without plumbing?

You install the plumbing along with the bathroom.


What plumbing devise replaces a vent pipe?

A auto vent


Do you have to have a vent in kitchen?

vent in bathroom manditory


Can you vent a plumbing vent through the wall?

Yes BUT not an outside wall


Can you move a 3 plumbing vent?

yes,


What is vtr of plumbing?

Vent through roof


How do you clean a plumbing vent on the roof?

You should not have to clean a vent on the roof. unless you are trying to clean the waste line to the fixture below. Then you would send plumbing rods through the vent on the roof.


What causes gurgling in one bathroom when another bathroom is used?

A vent for the drain system may be blocked. A home or building plumbing system must be "free flowing" with a vent to the outside atmosphere - usually through the roof. When water is forced down the drain and the vent for that drain is blocked, air will be pulled from inside the building through another plumbing fixture causing the gurgling sound. The main drain line may also be partially blocked whereas when water is forced down the drain the air in the drain line may be forced back into the building through another plumbing fixture causing the gurgling sound.


Does my bathroom have to vent outside?

Yes it does, otherwise it will vent in your bathroom and make everything stink. and it is not a very attractive sight to see.


How to install roof vent?

In plumbing the roof vent should be a min of 4" to prevent hoarfrost


Why is there a must smell coming from your bathroom plumbing?

There is NO SMELL in my bathroom as all my fixture traps are in place and all fixtures are individually vented and I installed a 4" vent terminal to prevent hoarfrost and the FAI is high enough above grade to allow for free circulation of air