Connect the flex lines to the water supply pipes then into the back of the water softener unit as directed by the manufacturer.
Water softener discharge line.
This causes two problems.
One problem is that the septic tank discharges solids into the drainfield which can cause the soil to plug and the drainfield to fail.
In one sentence the installer directly connected the water softener drain line to the sewer.
This is to prevent non potable water from flowing backwards possibly mixing and contaminating potable drinking water.
The house side pipe to the outlet port.
Make sure the supply side pipe is connected to the inlet port on the water softener.
They then bored thru the wall to the softener and ran a flexible discharge hose from the softener thru the wall and into the top of the pvc pipe.
Those of us in the backflow industry would immediately identify this as a cross connection that must be protected by an air gap an adequate physical separation between the water softener and the sewer.
Drain line best practices on water softener service calls in minnesota we find a wide variety of drain line material being used.
Many of the home improvement stores sell big box water softeners and installation kits to get them connected.
Tighten the fittings using an adjustable wrench or channel lock pliers.
Water softener discharge options it is a common knowledge that hard water can be an issue on both your dwelling place to you and to the entire family.
Hard water is softened through eliminating the magnesium and calcium it contains.
When sears installed ours they water jetted a pvc pipe 10 deep into a narrow strip of soil next to the garage wall.
Homeowners are advised to take the following precautions to prevent impacts from brine discharge to their drinking water supply and their owts.
According to most plumbing codes a water softener drain line must not be connected directly to the household waste system.
When the water softener resin is backwashed two or three times a week concentrated brine enters the wastewater stream as a slug of 38 to 112 gallons each backwash cycle.