Marvelous Plumbing Exhaust Vent

The wet-vented horizontal branch drain serves as the vent for the traps.

Plumbing exhaust vent. When that occurs the air looks for the nearest exit which is usually the sink or toilet. In this video I talk about a cheater vent that is sometimes used in plumbing systems. It connects to a 2 x 15 x 2 x tee.

Useful Plumbing Vent Diagrams. This Old House plumbing and heating expert Richard Trethewey employs his detective skills to find and clear a stubborn clog. You can see the 2-inch drain pipe leave the box and go into a p-trap.

The Seattle Mechanical Code regulates design and installation of mechanical systems appliances appliance venting duct and ventilation systems combustion air provisions hydronic systems and solar systems. Connection between a vent pipe and a vent stack or stack vent shall be made at least 6 inches 152 mm above the flood level rim of the highest fixture served by the vent. 12-inches from nearest vertical surface.

This is another sign that its time to call a plumber that specializes in vent pipe repairs and maintenance. The air removed by every mechanical exhaust system shall be discharged to the out-doors in accordance with Section M15063. It also gets rid of gasses and odors that wastewater can leave behind.

2-in and 3-in x 975-in Plastic Vent and Pipe Flashing. The plumbing code specifies minimum diameters for drains and vents in the vertical main stack horizontal branch drains and separate vent systems. The centerpiece of a DWV system is the main stack usually a pipe 3 or 4 inches in diameter that runs straight up through the roof.

The vent stack is the pipe leading to the main roof vent. Wall intakes must also be 10 feet from any exhaust fan discharge outlet unless that outlet is 3 feet or more above. EXHAUST SYSTEMS SECTION M1501 GENERAL M15011 Outdoor discharge.