Do Floor Drains Have To Be Vented

The fat pipes in your house make up the dwv carrying wastewater to a city sewer line or your private sewer treatment facility called a septic tank and field.

Do floor drains have to be vented. To keep the loop vent dry that is so that the vent can work without flooding the loop vent has to connect at the top of the fixture s vertical drain line and the horizontal portion of the revent pipe must be at least 6 inches above the flood rim of the sink or other plumbing fixture being vented. Does the floor drain need to be vented. You probably want to use a common vent. Diy network explains the different types of drains traps and vents and how they work in a typical house.

This allows both drain lines to tie together in a sanitary cross. 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. If you have to make plumbing repairs around your home it helps to understand your drain waste vent system dwv. The drainpipes collect the water from sinks showers.

You can usually find these on back to back sinks the loop vent is a solution for many freestanding. I would like to install a new floor drain in the basement tying into the 3 inch line using a wye.