Cellar Floor Drain Setup Trap

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.

Cellar floor drain setup trap. The drain must connect to a trap that blocks the gas by catching water in a curving section of pipe creating an airtight barrier. For a floor drain the minimum trap size is 2 inches. Reasons for a basement floor drain backing up. 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.

Because the floor drain connects to the sewer system sewer gas can drift up the pipe and enter your home through the drain. Before we move on to learning how to unclog a basement floor drain let s take a look at some of the things that can ruin your sewer system s smooth operation a lot of things can contribute to your basement floor drain getting clogged. Basement floor drains don t get a lot of attention until the sewer backs up or the basement smells like an outhouse.