Floor Trap Drain Pipe

If the drain is in the floor you may have to swivel the.

Floor trap drain pipe.

A form of floor trap commonly used in practice is known as nahni trap. Floor wastes are installed to provide drainage for accidental water spillage and a dry floor waste does not have a water trap. Trap with copper drain pipe at underside of firestop packing in 2 hour fire resistance rated concrete floor slab typical p trap maintaining the water seal is critical to trap operation. Once the square piece has been removed cut the drain off with a saw right after the p trap.

The trap inlet connects to the drain tailpiece which is the pipe that extends down from the sink and the outlet connects to the drain. Every drainpipe whether underground or in a wall must have some type of pitch and be sloped properly to allow wastewater leaving the home to drain out. If nothing drains into the floor drain prevent sewer odor by pouring a pitcher of water down the drain every couple of weeks. A dry floor waste consists of a flush floor grating with a pipe that discharges either directly to the outside or over a gully trap see figure 5.

You can throw this piece away. If your floor drain connects to the sewer system and you smell sewer gasses the trap beneath the drain is dry or the plug for the cleanout is missing. Without a trap it must not be connected directly to a foul drainage. To ensure water will drain properly and won t back up in the line a good rule of thumb to follow when installing pipe is a drop of 1 4 inch per foot.

Because the floor drain connects to the sewer system sewer gas can drift up the pipe and enter your home through the drain. The drainpipes that connect to floor drains must have a minimum vent size of 1 1 2 inches. When attaching your new p trap to the end of the pipe you may need to use a reducer if the pipe coming up from your shower floor is a different dimension than your new p trap and your drain. The floor trap has a small water seal.