Floor Drain P Trap Installation

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.

Floor drain p trap installation.

Connecting a trap to a vertical drain with a wye fitting and a 45 degree elbow seems like a good idea. This powered drain snake has a long length of flexible metal with teeth on the tip that can help cut through roots clogging drains. Like a p trap an s trap has an inverted. By downloading and using any arcat cad content you agree to the following license agreement.

The floor joists are 2 x 10s and the joist cavity is insulated. 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. Problem is the p trap almost touches the bottom of the joist cavity and is likely to freeze being very close to the exterior of the house. If i install a trap inside the house proper a running trap freezing will not be an issue.

The u shaped pipe under the drain created a water seal but. 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. In some instances however the drain pipe rises up from under the sink and it used to be the practice to connect the fixture to the drain with an s trap. Look at how i installed the drain so it has a vertical riser that allows you easy access to the p trap.

The water flows vertically down a short initial section of abs pipe below the floor then through a p trap and out to the sewer main via branch drain lines within the house. This project assumes that you are installing the drain in a floor set on joists so that access below usually a basement crawlspace or a lower floor is available. The zurn industries llc cad details below are complete drawings that can easily be downloaded customized for your residential or commercial project and included in your cad library for future use. That capped pipe is flush with the concrete floor now that the slab is in place.