Basement Floor Drain Diagram

Basement floor drains don t get a lot of attention until the sewer backs up or the basement smells like an outhouse.

Basement floor drain diagram. The floor drain has an area which bypasses the trap. It is best to have a floor drain flow out to a dry well rather than into the sewer line. The laundry room floor drain is typically a 4 inch round diameter hole located at the lowest point of the room which is usually installed in the basement floor during the construction phase of a build. The horizontal soil pipe can continue on now until it has reached a point for the basement floor drain.

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. Start the process by turning on the backflow preventer and removing the cap of the trap. This should not be installed however unless it is absolutely essential. The diagram at right shows a p trap which can be found at sinks showers and bath tubs.

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. The laundry room floor drain is one of those things that you notice but you don t pay much attention to until there is a problem.