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11/2"

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Q: What is the minimum vent size for a lavatory?
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What is the proper vent stack size for lavatory and shower?

What is the developed lenght and a VENT STACK should be no less then 4" passing through the roof full size to prevent hoarfrost


Can you repair a lavatory with the vent or drain rusted out of the bottom?

No


What is the minimum pipe size to vent a toilet?

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How do you find the code for the minimum distance between a toilet and a lavatory sink?

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What does supported minimum size mean?

Supported minimum size


How far can Plumbing Vent go horizontally?

Depends on the size of the vent and what city you're performing the work in. Speak with a plumbing inspector for that city and tell him the size vent and he will tell you the maximum length. To determine the size of a vent you have to know developed length of pipe and fittings and the fixture units connected


Is there a limit on the horizontal run of a vent line?

Yes. How depends on the governing code. You'll need to know how many fixture units you are serving (lavatory=1, sink=2, toilet =3 or 4, shower =2, bidet=1, dishwash=2, clothes wash = 2), what size pipe you are venting and what size vent pipe you are using. Internationallly there may be no percentage limit on horizontal vs total vent length, but within the U.S., look for a percent limitation. For example, Illinois limits horizontal vent to 20% of the total run (referred to as developed length). You should be able to find the applicable table in the local State plumbing code at your local library.


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How would you use the word lavatory in a sentence?

The boy's lavatory had three urinals and two toilet stalls.The girl's lavatory had five toilet stalls, but girls do not use urinals.A pipe burst, flooding the lavatory floor with hot water.


How do you put roof vent up?

By connecting it to existing vent piping and increasing the size to at least 4"


What is the minimum size of an Excel workbook?

The minimum size of an Excel workbook is 1 spreadsheet.