Distribution Box

The distribution box (D-Box) is located in or just before the disposal field. A D-Box is a small tank that has one inlet and multiple outlets that uniformly disperse the flow of the effluent to several lines of a disposal field. A D-Box is very useful when inspecting a failing disposal field to determine possible problems within the system.
In the cold winter months where there is no protective snow cover, freezing can be a problem for the D-Box. Some methods to help prevent freeze-up would be to either provide a layer of insulation over the D-Box cover, or to connect the effluent line to a bottom inlet.

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3 Outlet Distribution Box	3 Outlet Distribution Box with Bottom Inlet	5 Outlet Distribution Box with Bottom Inlet
5 Outlet D Box	9 Outlet Distribution Box	9 Outlet Distribution Box With Bottom Inlet
12 Outlet Distribution Box	20 Outlet Distribution Box