open plumbing

open plumbing

Plumbing which is exposed; the traps and drainage pipes, beneath the fixtures, are accessible, ventilated, and open to inspection.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
You want one with a tank and not the open plumbing in the back like you may see at a school.