Basement Floor Drains Diagram

The rest of the drain is always buried in the basement floor when the drain line gets clogged if the drain line for the floor drain gets clogged it needs to be cleaned out with a drain cleaning tool.

Basement floor drains diagram.

Floor drains are most often installed during original construction often in the utility area to drain away excess water in the basement. Immediately beneath a sink bathtub or other plumbing fixture the fixture drain opening leads to a curved segment of pipe known as the p trap which is normally a 1 1 4 to 2 inch diameter segment of pipe with a sharp curved bend in it shaped like the letter p. This should not be installed however unless it is absolutely essential. If the drain must discharge into the sewer line the drain should be fitted.

Basement floor drains don t get a lot of attention until the sewer backs up or the basement smells like an outhouse. The diagram at right shows a p trap which can be found at sinks showers and bath tubs. It is best to have a floor drain flow out to a dry well rather than into the sewer line. The purpose of this drain trap is to hold standing water which seals the drain system and prevents sewer gases from.

Many basement floor drains tie directly to the home s sewer system but in some communities local building codes require floor drains to run to a sump pit where a pump lifts the water to the exterior surface of the house.