I have a 1st story bathtub with a 1 1 2 pvc p trap connected within 18 to a 3 cast iron waste stack and vent.
Floor drain p trap diagram.
The left side of the trap connects to the plumbing fixture and the right side connects to the sewer.
Many basement floor drains tie directly to the home s sewer system but in some communities local building codes require floor drains to run to a sump pit where a pump lifts the water to the exterior surface of the house.
They lead into larger branch drain pipes which lead into the 4 inch stack.
See more ideas about floor drains basement flooring shower pan.
The waste stack runs to the basement and changes from 3 to 4 cast iron 3 feet above the basement concrete slab.
The left side of the trap connects to the plumbing fixture and the right side connects to the sewer.
Water runs down the sink drain into a p trap so called because it s shaped like the letter which fills up with water to prevent sewer gases and odors from getting into the house through the pipe.
Basement floor drains don t get a lot of attention until the sewer backs up or the basement smells like an outhouse.
The diagram at right shows a p trap which can be found at sinks showers and bath tubs.
When installing your vents it s highly recommended that you plan out your drain lines to minimize the risk of clogging.
There is a p trap in the 4 cast iron under the basement slab.
The sewer side will have sewer gases present but the water sitting in the bottom of the trap prevents the sewer gases from entering in to the house.
Apr 11 2018 explore mitchell matthews s board floor drain details on pinterest.
This diagram of a typical dwv system is called a plumbing tree.
Smith manufactures a full line of floor drains and devices that are easy to install and cost effective including variations for heavy duty drains with adjustable strainer heads special purpose drains traffic drains planting area drains trap seal primers devices and more to suit any construction need.
Both kitchen 1 1 2 inches and bathroom 1 1 4 inches are smaller than the rest of the drain system on purpose.