Plumbing A Toilet Drain Diagram

How a toilet works toilet plumbing diagram one of these devices called a ballcock is connected to the water supply and controls delivery of water to the tank.

Plumbing a toilet drain diagram. Both kitchen 1 1 2 inches and bathroom 1 1 4 inches are smaller than the rest of the drain system on purpose. This diagram of a typical dwv system is called a plumbing tree. They lead into larger branch drain pipes which lead into the 4 inch stack. Regardless of your plumbing code the minimum drain size for a toilet is 3 inches.

3 things to understand before plumbing a toilet. The horizontal vent pipe runs right next to the closet. In the plumbing diagram below notice how the bathroom s 3 inch drain wye s right into the building drain. When the tank s water rapidly drops down into the bowl upon a flush the pressure causes the bowl s waste water to go down the drain.

Aug 13 2016 a helpful explanation on how a toilet works. If the toilet drain does not connect directly to a vent you must find another way to vent it. When installing your vents it s highly recommended that you plan out your drain lines to minimize the risk of clogging. How to unclog a drain.

Some older model toilets flushing over 1 6 gallons per flush are rated. That s just a 3 inch wye with 45. This section of piping is 3 inch in size and starts at the one end of the wye fitting where the toilet drain pipe also connects. The toilet drain pipe extends from the wye and terminates with the t shaped symbol.

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. Aug 13 2016 a helpful explanation on how a toilet works with toilet plumbing diagrams and definitions of toilet parts. The toilet s drain size. Water closet s flushing 1 6 gallons or less are rated at 3 dfus drainage fixture units.

You could also use a 3 inch combo for this connection. 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. If the plunger and the snake fail you probably have a big clog somewhere in the drainpipe.