Inside the house, it is also called the main house trap.
Outside, it’s referred to as thesewer cleanout.
you could also save money if a plumber doesn’t need to hunt for the drain cleanout.
The Spruce / Ana Cadena
Where to Find the Drain Cleanout?
The drain cleanout’s general location may differ depending on your local climate.
Only licensed professional plumbers should clear clogs, repair the main drainage line, and clean out drains.
This guidance can save time and effort and prevent a homeowner from causing damage.
you’re free to typically find the main sewage line by following these drainage pipes.
Use a flashlight to help see better in dimly lit areas.
Pressure indicates a stoppage in the line.
Consider getting a sewer specialist to perform an annual inspection and cleaning.
They can also check for tree roots that might interfere with buried sewer lines.
It is generally not recommended that DIYers attempt cleaning the line.
Most homes have at least one sewer cleanout, although some might not have any.
A sewer cleanout plug can be found at grade or just below grade.