This requires additional plumbing but is by no means a serious problem; the famed F-1 had flow rates on the order of 2,500 l/s.

A monopropellant-based engine requires only a single tank, as well as greatly simplified plumbing and other hardware.

An example of this would be a commercial chiller which would be furnished by the mechanical contractor, but would require electrical connections, plumbing, rigging, insulation and commissioning.

Normally, this would require very thick (heavy schedule) plumbing to survive the pressure.

This patented technology allowed the Amdahl mainframes of this era, unlike IBM systems, to be completely air-cooled, and did not require "plumbing" for chilled water.

Each would cost about $100,000, less than half as much as a regular toilet requiring plumbing.

By 1915, housing laws required indoor plumbing.

It has an energy-saving, half-door design and self-contained, top-mounted refrigeration with electric condensate that doesn't require plumbing or a floor drain.

Called the Dutchtub, it requires no electricity, plumbing or hot water.

It does not require plumbing, so it is easier and cheaper than most alternatives.