Sewer Trap On Roof

Vent pipes on the roof are intake vents not exhaust vents as most people believe.

Sewer trap on roof.

A drainpipe attached to the p trap goes into an opening in the wall. They re called traps because they do just that. It also allows fresh air into the plumbing system to help water flow smoothly through the drain pipes however no water runs through the plumbing vent pipe. Are roof vent pipes sewer gas exhaust pipes.

It is a vertical pipe attached to a drain line and runs through the roof of your home. Wastewater enters the plumbing system through fixtures such as the toilet sinks and showers. When the wastewater exits the fixture it flows through a trap. When a large volume of water enters a plumbing drain pipe it pushes air in front of it towards the sewer or septic tank.

The trap is typically u s or j shaped and always contains water. Drain pipes take the wastewater to the soil stack. When sewer traps need service or you need expert advice. This air must be replaced and it is sucked into the plumbing system through the roof vents.

Clogging may happen due to simple problems such as accumulation of dirt improper sloping from incorrect vent installation broken pipe or a broken sewer trap itself. Trap water inside preventing sewer gases from coming back into the house. Behind the wall where you can t see a vent line and drainpipe lead to a soil stack which is the control center of the wastewater system. Through the stack sewer gases are carried up to the roof through vent lines.

The vent stack is the pipe leading to the main roof vent.