Is 3 inch pipe OK for toilet?
In new construction, 4-inch drains can be installed from every toilet, or you can run a 3-inch drain line from a toilet to the home’s main 4-inch drain pipe — the line running from the house to the sewer or septic system. Older homes may have only 3-inch drains, so that’s what you have to work with.
How long do PVC drain lines last?
PVC (Polyvinyl Chloride): Traditionally, PVC piping only lasts between 25-40 years. However, with recent technological advancements, PVC pipes may be able to last 70 years or more.
How to install new plumbing lines for a toliet?
Reduce the size of the opening of the top of the soil stack to 2 inches with a reducing coupling. Glue 2-inch PVC pipe to the reducer and extend it through the roof. This pipe vents the toilet and should terminate 1 foot above the roof line.
Is it possible to install a toilet drain pipe?
Hunker may earn compensation through affiliate links in this story. The toilet drain pipe connects to the main stack. You can install toilet drain pipes yourself, but you have to make sure the drain and vent system works properly. Check local building code requirements, because they vary.
How big of a drain line do you need for a toilet?
Connect an ABS drain, 4 inches in diameter, to the main waste drain line near the toilet. Extend the new drain line to the toilet location. If you are remodeling and the new toilet location is part of an added full bathroom, you can tie the sink and bathtub drainage into the toilet waste drain.
Which is better a 3 inch or 4 inch toilet drain?
It seems that with the larger 4-inch pipe, there might not be enough liquid depth to flush the solids through the pipe. If 3-inch is best, should I run it all the way to the septic tank, or should I transition to a 4-inch where the two toilet drains merge?
Where do you put a drain pipe for a toilet?
If a bathroom sink drain ties into the toilet drain within 10 feet of the toilet, the vent installs in the wall behind the sink. If not, connect a 2-inch PVC vent pipe to the toilet drain in the wall behind the toilet.
Reduce the size of the opening of the top of the soil stack to 2 inches with a reducing coupling. Glue 2-inch PVC pipe to the reducer and extend it through the roof. This pipe vents the toilet and should terminate 1 foot above the roof line.
What to do if your toilet drain line runs away from the wall?
If the toilet drain does not connect directly to a vent, you must find another way to vent it. 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.
Where to put drain and vent lines in a bathroom?
Drain and vent lines must be positioned precisely, so you should install them before the supply pipes. It may be possible to simplify supply runs by moving a vent pipe over a few inches.
