Fantastic Proper Drain Venting

The vent cannot run under the floor.

Proper drain venting. If a plumbing fixture is located too far from the main building vent stack then its own drain pipe must have its own vent stack connection piping. If the toilet drain does not connect directly to a vent you must find another way to vent it. The vent pipes remove or exhaust sewer gases and allow air to enter the system so that the wastewater flows freely.

Regardless of your plumbing code the minimum drain size for a toilet is 3 inches. True vents also have no water running through them. 9062 Venting of fixture drains.

If the drain line runs away from the wall where you want the vent use a reducing Y and a 45-degree street elbow to point the vent line toward the wall. The drainpipes collect the water from sinks showers tubs and appliances. The pipe that drains the lavatory sink is 3-inch in diameter because that drain line also acts as a vent for the toilet.

The true vent is aligned vertically and attaches to your drain line through the roof. For instance a basement sink might be vented with a special wall vent which simply runs out the wall. Venting allows water to pass out of the drains easily.

Flush bushings kind of look like hockey pucks. It also allows fresh air into the plumbing system to help water flow smoothly through the drain pipes. This is best implemented if a fixture rests close to the stack and the top floor of your home allowing the stack to serve as a vent.

Rough in plumbing diagram ask the builder a rough in plumbing diagram is a sketch drains and vent piping this plumbing diagram might be what is the max length of a 2 shower drain before. When a trap connects to a vertical drain install a tee fitting. Courtesy of American Society of Home Inspectors Connecting a trap to a vertical drain with a wye fitting and a 45-degree elbow seems like a good idea.