Toilet Floor Drainage

Before trying to unclog the toilet through brute force remove the tank lid lift the flapper valve slightly to let a cup or two of water into the bowl and see if the water goes down.

Toilet floor drainage.

2014 fbc plumbing 5 th edition 11 storm drainage 1104 conductors and connections 1104 3 floor drains 412 2 fixtures faucets and fixture fittings floor drains. The supply knob can be found on the wall behind your unit closer to the floor. Floor drains shall not be connected to a storm drain. This kind of odor is not only smelly but can also be risky to your health.

Next drain the toilet by flushing it a few times until the tank no longer fills with water. Look for the main plumbing stack in your basement or crawlspace and take note of where it goes up through the house and where it exits on the roof. These floor drains are hardly used perhaps unless you experience some flooding in the basement or try to do some cleaning. Water closet s flushing 1 6 gallons or less are rated at 3 dfus drainage fixture units.

The toilet drain connect a 3 inch pvc closet bend to the bottom of the toilet flange located in the floor where the toilet will sit. Regardless of your plumbing code the minimum drain size for a toilet is 3 inches. As water goes down a drain air is needed to equalize the pressure in the drain line. Look for pipes you can use for venting.

How to test the drainage of a toilet that won t flush. If the floor drain grate cannot be removed a piece of inner tube that is larger than the hole can be used to plug the drain. Disconnect the water supply hose from the toilet and keep a bucket or towels nearby to catch any lingering water that may escape. Find where the other other large waste drain pipes run.

Run it through the house framing vertically into the basement or crawl space and route it horizontally to the sewer line either hanging it from. This is the purpose of a venting system. The drain in the toilet bowl is basically a p trap. If the drain lines in your home have poor venting as in figure a for example water rushing down the drains will pull water from nearby p traps.

Place the inner tube on the floor surrounding the drain and cover it with a piece of plywood or solid board to hold it in place. To make sure that the trap water level is enough to seal the harmful sewer gases pour about a quart of water into the drain and top it off with a. Have towels ready though because flushing a clogged toilet may flood your floor. Construct the stack from 4 inch abs plastic pipe.

Some older model toilets flushing over 1 6 gallons per flush are rated at 4 dfus. A dfu is the unit of probable discharge that a particular plumbing fixture produces.