First, the discharge line is much smaller than a standard drain line, so you can fit it into places where a standard drain might not work. Second, you can install a bathroom anywhere.

Enter the use of drain-line video equipment: Everything you ever speculated was happening in drainage lines, but couldn't ... (I suspect) the need to incorporate proper venting. Although gravity-flush ...

Using condensate removal pumps to reliably remove condensate water, ultimately avoids issues created by gravity drain systems… proving that sometimes traditional methods are not always the best.