Old House Basement Floor Drain Diagram

Screw cap sticks about 3 4 out of floor in to corner of basement where to old oil furnace was located and the supply water line enters the house.

Old house basement floor drain diagram.

In order to look for the drains you will need to search for the largest drains in your house. All wastewater from your house is carried to the municipal sewer line by one main drain pipe that runs horizontally but with a slight downward slope under the lowest floor in your home out to the municipal sewer main or out to the septic field. 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. Floor drains are most often installed during original construction often in the utility area to drain away excess water in the basement.

Basement floor drains don t get a lot of attention until the sewer backs up or the basement smells like an outhouse. Is it a correct assumption that the open drain is tied into the main sewage line or would it go directly to the sewer on its own. This water gets refreshed whenever more water runs through it. Water runs down the sink drain into a p trap so called because it s shaped like the letter which fills up with water to prevent sewer gases and odors from getting into the house through the pipe.

Reuben saltzman structure tech home inspections email. This is an expensive repair as it involves breaking up the concrete in the basement floor replacing the drain then pouring new concrete. Usually 4 inches in diameter this pipe might be either abs or pvc plastic clay or cast iron. In many older homes floor drains are part of the basement design built in to prevent water damage to the house and its contents.

Old floor drains work passively their design based on principles of physics. A drainpipe attached to the p trap goes into an opening in the wall. Start the process by turning on the backflow preventer and.