low-water fuel cutoff

low-water fuel cutoff

[′lō ‚wȯd·ər ‚fyül ‚kə‚dȯf]
(mechanical engineering)
A float device which shuts off fuel supply and burner when boiler water level drops below the lowest safe waterline.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.