Floor Drain No P Trap

The traps used in floor drains are like those used under kitchen and bathroom fixtures.

Floor drain no p trap. 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. For instance you can t put a 1 1 2 inch p trap on a fixture with an 11 4 inch drain. Connecting a trap to a vertical drain with a wye fitting and a 45 degree elbow seems like a good idea. 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.

If nothing drains into the floor drain prevent sewer odor by pouring a pitcher of water down the drain every couple of weeks. 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. 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. Drain trap leaking at compression joint.

Green drain provides an alternative to trap primer installations. The u shaped pipe under the drain created a water seal but. No trap outlet can be larger than the fixture drain to which it is connected. The water filled trap prevents noxious sewer gases from backing up into the home.

Fixture traps must be self cleaning by. Don t be flexible with this. No trap that must depend on moving parts to retain its seal can be used. The floor drains in older homes were piped in almost all cases with a simple p trap just like you might find under your bathroom sink.

That capped pipe is flush with the concrete floor now that the slab is in place. The drain trap is an important part of the floor drain. Look at how i installed the drain so it has a vertical riser that allows you easy access to the p trap. The sizes of the trap outlet matter.

The drain pipe dips down in a u that is always filled with water whether flowing or still. The reducer allows you to transition from one size to another. 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. Drain pipe p trap leaking under sink.