Water Softener Drain Into Sewer Line

When the water softener regenerates it uses the large amount of water over a relatively short period of time.

Water softener drain into sewer line.

So i am good for 8 ft. According to most plumbing codes a water softener drain line must not be connected directly to the household waste system. 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. The partially treated water has high organic content and can accelerate the maturing of the biomat.

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. It is common for the sewer pipes to be above the basement floor in older houses. 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.

I would like to instead drain it into the sanitary sewer. I have a less than ideal situation of my water softener draining into my sump pit. 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 is to prevent non potable water from flowing backwards possibly mixing and contaminating potable drinking water.

However its in basement and has to travel upward of 6 8 ft. 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. An addition ft for every 10psi past 40. This surge load displaces partially treated water from the septic tank into the drainfield.