Splitterbox for Multirock Modular installations

Splitterbox for Multirock Modular installations

BIOROCK has designed an effluent distribution system for BIOROCK MULTIROCK Modular installations. These devices have no mechanical or electrical components, thus reducing running and maintenance costs. MULTIROCK intellations are ideal for small housing developments, camp sites and caravan park. This modular solution offers the flexibility to increase the size of an existing BIOROCK system on a gradual basis, reducing the initial investment and spreading the investment costs over a longer period.

The effluent distribution system is installed between the primary tank and the BIOROCK units ensure the even distribution of effluent between the treatment plants. It consists  of two components:

  • A Flow Control Chamber which controls the volume of liquid that is distributed to the BIOROCK units downstream
  • A Splitterbox that ensures the distribution of the effluent remains even through the units.


The splitter box is the second stage of the water distribution system. It should be installed directly after the flow control chamber and efficiently splits the effluent between the units downstream.

A Splitter Box is always required when 3 units or more units are installed in parallel.


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