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Ideally by the use of 45 degree fittings or long radius ells with a clean out installed in every change of direction over 45 deg

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You want to install shower in the basement tying into the main drain for the house should there be some kind of backflow preventer installed between the shower trap and the main line to prevent backup?

If the existing sewer line is lower than basement grade (does it go into the basement floor and out of the house?) you can just connect in to the existing drain. By code, sewer lines must have a slope of 1/4 inch per running foot, meaning that raw sewage will run AWAY from the main plumbing stack of the house. If the sewer line is ABOVE the level of the basement plumbing fixtures, you will need to purchase and install a pump check-valve, and tank to install any plumbing below the house sewer line. If you have any questions, contact a licensed plumber to find out the needs of your home.


How do you identify a sewer gas smell in basement bathroom?

Most likely a drain has dried out and there is no water in the trap to stop the gas from coming up. Sink, shower, or main floor drain.


What is the layout of the basement bathroom plumbing system as shown in the diagram?

The basement bathroom plumbing system in the diagram consists of a toilet, sink, and shower connected to a main drain pipe that leads to the sewer or septic system. Each fixture has its own drain pipe that connects to the main drain pipe, allowing waste and water to flow out of the bathroom and into the main sewer line.


What is the purpose of a basement sewer trap and how does it function to prevent sewer gases from entering a building?

The purpose of a basement sewer trap is to prevent sewer gases from entering a building. It functions by creating a water seal that blocks the gases from passing through the plumbing system and into the building.


How do you tap into cast iron drain pipe for a new shower drain in basement?

By cutting in a cast iron Wye so the flow enters the sewer line (soil pipe) at a right angle


Do you need to put a trap in your basement shower pan if you did not find any trap below the shower drain and the shower drain is directly connected to the sewer line by 2 foot pipe and T?

YES !!!!!!!! Minimum 2" P Trap Yes, and it needs a wye not a tee, and it needs to be vented properly.


How does a sump pump effectively divert water from a basement to the sewer system?

A sump pump effectively diverts water from a basement to the sewer system by collecting water that accumulates in a sump pit, then pumping it out through a discharge pipe that leads to the sewer system. This helps prevent flooding and water damage in the basement.


How do you prevent the sewer drain from flooding the basement?

You hire a plumber to put in a one way sewer drain valve.


How do you prevent sewer line backing up into basement?

Install a one way check valve in the line from the house to the sewer.


How do basement toilets flush?

Either they are on a separate sewer line and connect to the main sewer line later on or they sewerage is pumped by means of a machine into the main sewer line.


What could a dribbling noise be that you hear from the main floor ceiling after flushing the toilet or during the shower if there is no sign of water leakage under the toilet or shower?

If the toilet and shower are in an upper floor then there is a PVC drain for both that will drain to either the sewer or septic. If there is a vertical piece to this, as there is in my basement, then you actually get some dribbling and running sounds from the water 'falling' down that vertical PVC. I get this same noise from the washing machine on the main floor draining down to the basement.


What could be causing the unpleasant sewer smell in my shower?

The unpleasant sewer smell in your shower could be caused by a dried-out P-trap, a clogged drain, or a damaged sewer vent. It is recommended to check and clean the P-trap, unclog the drain, and inspect the sewer vent to address the issue.