The most nessecary tools needed to fix a clogged sink are a plunger to extract the material clogging the sink and a sewer snake to hook and extract the debris.
Enough to fill the traps crown weir to prevent sewer gases /fumes from entering the structure
A sewer smell in your basement when it rains could indicate a problem with your sewer system or plumbing. It could be due to a damaged sewer pipe or a blockage causing sewer gases to seep into the basement. It is important to have a plumber inspect and address the issue to prevent any further damage or health hazards.
Install a one way check valve in the line from the house to the sewer.
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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.
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.
By cutting in a cast iron Wye so the flow enters the sewer line (soil pipe) at a right angle
Sewer line is clogged or collapsed. With a septic tank, it may need to be pumped out.
Depends on how hot as the EP has their own rules to prevent possible sewer piping to crack or scalding sewer workers
the sewer is where things that you flush or put down the drain go, a drain is the opening is a sink or shower that sends things to the sewer
Because of evaporation and lack of use. I recomend dumping some water down it to refill it, that will keep the sewer gases out aswell