The purpose of the reducer coupler is to transition from standard ABS pipe to the Aquifer Pipe.
It’s very important not to get any glue on the Aquifer Pipe expander. The Aquifer Pipe expander is Styrofoam; the glue will melt it.
3” to 1.5” Reducer coupler
An Aquifer Pipe expander
The Aquifer Pipe.
Apply glue to the bottom half of the reducer coupler.
Apply glue to the other wall of the Aquifer Pipe.
Join the reducer coupler to the aquifer pipe
Insert the Aquifer Pipe expander.