Connecting Water Softener Discharge Into Sewer Line

The sub atmospheric pressure within the city pipes would cause the sewage to be sucked into the water softener.

Connecting water softener discharge into sewer line.

There are actually three ways the sewage can get back into the drinking water lines. For this purpose you will need same set up like for washing machine. An addition ft for every 10psi past 40. I would like to instead drain it into the sanitary sewer.

Air gap and check valves are both good idea since it is an extra precaution that sewer won t enter your softener. However its in basement and has to travel upward of 6 8 ft. To hit the 1 5 pvc. This is just such an unconventional approach.

You cannot run water softener discharge line directly into sewer. Softener backwash discharge is under pressure and can be routed vertically some distance. I have a less than ideal situation of my water softener draining into my sump pit. The shortest easiest way is to tie it into the underground sewer line.

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. That means p trap and stand pipe. 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.

From there they can drain naturally to some sewer access point in the house. 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.