2014 illinois plumbing code

What plumbing code does Illinois use?

The Illinois Plumbing Contractor Registration Code (77 Illinois Administrative Code , Part 894).

Is PEX legal in Illinois?

CPVC and PEX are proven materials and are currently approved for use state-wide.

How deep are water lines buried in Illinois?

42 inches

How do I find my plumbing vent?

The vent opening is located on the roof. It extends 1 to 2 feet past the line of the roof. You can compare the main vent to a tree trunk, whereby smaller vents are the branches extending from the tree trunk to various fixtures including the washing machine, showers, sinks, and toilets.

Are air admittance valves legal in Illinois?

Are air admittance valves considered to be mechanical valves ? I know the Illinois plumbing code prohibits the use of mechanical valves , as do other plumbing code, but other codes allow air admittance valves and the Illinois plumbing code does not mention air admittance valves .

Why is PEX plumbing bad?

PEX failures Piping fails when the pipes are exposed to chlorine that is within the water, exposure to direct sunlight before its installation. Furthermore PEX pipe is vulnerable when it comes in contact with such solutions as petroleum products and oxygen. It can leach toxic chemicals from pipe material also.

Can I do my own plumbing in Illinois?

The answer is in the Illinois Plumbing Code. You can plumb your own house or do repairs and alterations as long as it meets the code requirements.

Should I use PEX A or PEX B?

Flexibility – PEX -A is the most flexible, allowing for it to be fastened by cold expansion, which allows the end to be fluted prior to inserting the fitting. PEX B is not expandable and you should never expand the end of a PEX – B pipe. Kink-Resistance – PEX -A has the greatest resistance, PEX – B the lowest.

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How far down are utilities buried?


How far are water lines buried?

five to six feet

How deep is the frost line in Illinois?

They noted frost depth , soil moisture, soil texture, ground cover, and exposure. The deepest observed frost depths during this period ranged from 5 inches in far southern Illinois to 30 inches in far northern Illinois .

Can you vent plumbing out the side of your house?

To fulfill the second function, the vent must terminate at least a foot above the roof and far from any windows or doors on adjacent buildings. You can pass the vent through a wall instead of through the roof, but it must still rise over the roof.

How many plumbing vents can be tied together?

If it rises to the level of the connection and proceeds horizontally from there, you use a vent tee, which doesn’t have a sweep. You can usually tie up to eight fixtures to a single stack, but local codes differ, so it’s a good idea to check.

Can a toilet shower and sink share a vent?

As a general rule, you will just be able to vent 2 fixtures on a toilet wet vent . 1) Toilet and Sink : The toilet is vented through the sink drain. The toilet drain should be 3″, the sink drain is 1.5″, the shared sink drain/ toilet vent area should be 2″, and the vent going up should be 1.5″.