Water Softener Drain Into Sewer Line

Sewage backup flooding a basement is not unusual.

Water softener drain into sewer line.

According to most plumbing codes a water softener drain line must not be connected directly to the household waste system. I have a less than ideal situation of my water softener draining into my sump pit. It is common for the sewer pipes to be above the basement floor in older houses. Another cause of backpressure would be if the water softener s drain line was attached to the sewer line that ran along the ceiling of the basement above the softener.

So i am good for 8 ft. By code water softeners must be emptied into a laundry sink floor drain sump hole or properly trapped special outlet preserving an air gap of at least two times the diameter of the drain line but in no case less than 1 1 2 above the top of the. This surge load displaces partially treated water from the septic tank into the drainfield. However its in basement and has to travel upward of 6 8 ft.

A softener drain line must not be connected directly to the waste system but must be emptied into a laundry tray floor drain or properly trapped special outlet preserving an air gap of at least two times the diameter of the drain line but in no case less than 1 1 2 above the top of the receptacle used. The manual says the drain can be extended upwards of 6 ft. If the level of sewage is above the softener then backpressure could fill the drain line of the softener. An addition ft for every 10psi past 40.

To hit the 1 5 pvc. Materials water softener with bypass valve plumbing pipe fittings as needed flexible supply tubes solder and flux if needed 1 2 inch diameter flexible drain tubing pipe clamps air gap fitting if needed. It would take a long time for a sump pump to be ruined with the drain water because the softener rinses for a number of minutes at its highest flow rate gpm of the drain water flow so the sump pit won t have much salt water in it because the pump will deliver it to where the discharge goes outside and kill all vegetation it gets in touch with. This is to prevent non potable water from flowing backwards possibly mixing and contaminating potable drinking water.