Floor Drain No P Trap

The water filled trap prevents noxious sewer gases from backing up into the home.

Floor drain no p trap.

The drain pipe dips down in a u that is always filled with water whether flowing or still. No trap that must depend on moving parts to retain its seal can be used. That capped pipe is flush with the concrete floor now that the slab is in place. As water drains down the steep slope at the wye it can create a siphon effect such that water will be sucked out of the trap.

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. Drain pipe p trap leaking under sink. The traps used in floor drains are like those used under kitchen and bathroom fixtures. Floor drain waste should not be particularly pathogenic or contain septic waste and particularly in older systems design to limit non septic waste going into the septic was quite common to limit the load on systems that were quite small by current standards.

Don t be flexible with this. 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. Green drain provides an alternative to trap primer installations. When a trap p.

No trap outlet can be larger than the fixture drain to which it is connected. 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. And the empty trap will allow sewer gas to flow into your home. Connecting a trap to a vertical drain with a wye fitting and a 45 degree elbow seems like a good idea.

For instance you can t put a 1 1 2 inch p trap on a fixture with an 11 4 inch drain. The reducer allows you to transition from one size to another. Fixture traps must be self cleaning by. Look at how i installed the drain so it has a vertical riser that allows you easy access to the p trap.

The drain trap is an important part of the floor drain. In addition i made sure the drain line leaving the floor drain on the right was a straight shot into the p trap for the same reason. The sizes of the trap outlet matter. Drain trap leaking at compression joint.