forced-circulation boiler[¦fȯrst ‚sər·kyə′lā·shən ‚bȯil·ər]
A once-through steam generator in which water is pumped through successive parts.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A boiler that uses a mechanical pump to circulate water flowing through the boiler’s water tubes.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.