Toilet Floor Drainage

Water closet s flushing 1 6 gallons or less are rated at 3 dfus drainage fixture units.

Toilet floor drainage.

Look for pipes you can use for venting. 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. How to test the drainage of a toilet that won t flush. Disconnect the water supply hose from the toilet and keep a bucket or towels nearby to catch any lingering water that may escape.

The supply knob can be found on the wall behind your unit closer to the floor. 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. 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.

Some older model toilets flushing over 1 6 gallons per flush are rated at 4 dfus. 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. Have towels ready though because flushing a clogged toilet may flood your floor. Floor drains shall not be connected to a storm drain.

Particle board will not work because it can deteriorate and crumble when wet. 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. A closet bend is sweeping 90 degree elbow that connects the. Next drain the toilet by flushing it a few times until the tank no longer fills with water.

A dfu is the unit of probable discharge that a particular plumbing fixture produces. 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. The drain in the toilet bowl is basically a p trap. 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.

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. Construct the stack from 4 inch abs plastic pipe. This is the purpose of a venting system. These floor drains are hardly used perhaps unless you experience some flooding in the basement or try to do some cleaning.

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.