How far can a drain be from the stack?

There is a vent between the sink P-trap and the point where the waste line goes to the main sewer. The vent can’t be more than 2 1/2 feet from the trap if the waste line has a diameter of 1 1/2 inches. The critical distance is 3 1/2 feet if the waste line is 1 1/2 inches.

Where do I put main vent stack?





It can attach directly behind the fixture or to the horizontal drain line. If two fixtures are on opposite sides of a wall, they can tie into the stack with a sanitary cross. This is called a common vent and can be found on back-to-back sinks.

How many fixtures can be on a 2 inch vent?

The Plumbing Code states that a vent can handle 24 fixture units. A bathroom sink of 1.0 F.U., a bathtub of 2.0 F.U., and a shower of 2.0 F.U.

What is stack venting?

Stack Venting. A method of venting a fixture or fixtures through the soil or waste stack. Vent Stack. A vertical vent pipe installed primarily for the purpose of providing circulation of air to and from any part of the drainage system.

Can a shower and toilet share the same drain?

The general answer is that the showers and toilets can use the same drain, but they should not be sharing the same waste trap arm. There are other factors to consider as well, such as whether your drains lead to the main sewer line, or if there are septic tanks that are used in your city or town.

How far can a toilet be from the main vent stack?





6 feet

According to the UPC, the distance between your trap and the vent should be no more than 6 feet. In other words, for the vent to work properly, it needs to feed into the drain line within 6 feet of the trapways that connect to it.

Where should a vent stack be connected to a drainage stack?

Every vent stack that you have must connect to the bottom of the drainage stack and has to be located downstream within a distance of 10 times the diameter of the drainage stack. By doing this, you decrease the risk of pressure affecting the system’s traps.

Does plumbing vent go before or after trap?

The simple answer is if your trap from the fixture cannot see the vent then it is installed wrong. We must always keep the vent connection above the trap weir to prevent siphoning and keep proper pressures on both side of the trap.

Can you drain into a vent stack?



A wet vent may be allowed if the fixture is close enough to the stack. A tub that is close to a stack may have a drain that empties into a pipe that serves as a vent.

What’s the difference between stack vent and vent stack?

A vent stack is a vertical pipe that is only used for venting, and runs upward from the drain piping to the open air outside the home. Vent stacks are primary vents and accept connections from other vents in a plumbing system. A stack vent is used for both drainage and venting.

Does each plumbing fixture need a vent?

Every plumbing fixture must also have an attached vent. Without a vent, negative pressure from water leaving the system can cause a siphon which empties the trap. The top of stacks must be vented too, via a stack vent, which is sometimes called a stink pipe.

How far can a vent be from a fixture?



The only vertical pipe of a combination drain and vent system shall be the connection between the fixture drain and the horizontal combination drain and vent pipe. The maximum vertical distance shall be 8 feet (2438 mm). 912.2.

Is it okay if poop goes down the shower drain?

While your toilet is made to handle poop disposal, your bathtub drain is not. If solid or clumpy matter accidentally goes down the drain, it may cause a blockage. If this happens, hiring a plumber is the best solution.

What happens if you poop in the shower drain?

The more bends and junctions there are in the shower drain, the higher the chance of a blockage occurring. If this does happen, it is likely a foul odour will be coming from the shower drain, as well as drainage issues. ‘

Can a tub and sink share the same drain?

1:Can multiple bathroom sinks, baths, showers ect share a common drain pipe ? Yes they can and do all the time.

How far can P trap be from tub drain?



Plumbing Codes



P-Traps must connect to the same size drain outlet, with a diameter of at least 1.5 inches. The vertical distance from the fixture to the trap can not exceed 24 inches. The horizontal distance from the fixture to the trap should not exceed 30 inches.

Can a sink and shower share a vent?

You can put the sink drain into the shower drain. 2. If the vent is less than 5 feet from the other fixture, they can share it.

Does kitchen sink drain to sewer line?

Your kitchen sink and bathtub have separate drain lines, but they ultimately all connect to a single line that leads into the sewer. If your sink is draining into your bathtub, something has definitely gone wrong somewhere in the plumbing lines.

How do you connect main line to sewer line?

Quote from the video:
Quote from Youtube video: So this is how the city sewer connection looks like. So basically we were running this 8 inch SDR pipe which then connects into a 4 inch. Service here to the home and basically this is a plug.

Does washing machine drain into sewer line?



This main sewer drain pipe under the yard is connected to the main drain inside the house, which accepts the wastewater from the individual branch drains serving each plumbing fixture, including sinks, tubs, showers, and toilets, as well as the washing machine.