Septic Distribution Box Replacement Cost Replacing a septic distribution box costs between $500 and $1,500. This component is also called the D-box. It is very important, responsible for controlling the even distribution of wastewater into the leach field.

How much does it cost to replace a distribution box on a septic system?

Septic Distribution Box Replacement Cost Replacing a septic distribution box costs between $500 and $1,500. This component is also called the D-box. It is very important, responsible for controlling the even distribution of wastewater into the leach field.

How much does it cost to replace a distribution box?

Concrete distribution box – a distribution box or D-box for short is a smaller tank that distributes the liquids out to the leach field. The average cost to replace a distribution box is between $600-1300.