house trap
A trap installed in the building drain to prevent the passage of sewer gases from the building sewer to the drainage system of a building. Not all building codes require a building trap. Also called house trap. (Ching, 1995)
A trap installed in the building drain to prevent the passage of sewer gases from the building sewer to the drainage system of a building. Not all building codes require a building trap. Also called house trap. (Ching, 1995)