Ansul Incorporated has announced a voluntary replacement program for its K-Guard, Sentry and Flag Fire extinguishers because they may fail to operate, the U.S. Consumer Product Safety Commission has announced.

The company reported that when the product is dropped horizontally, an interior tube may crack and block the extinguisher from discharging properly.

No associated injuries have been reported.

The recall involves the following models:
· K-Guard Wet Chemical, Models K01-1 and K01-2, with part numbers 430849 (UL), 430850 (ULC), 432843 (UL), 432848 (ULC).
· Sentry Water, Model W02-1, with part numbers 430847 and 430848.
· Flag Fire Kitchen One Wet Chemical, Model KS-6000, with part numbers 552055 and 552500.
· Flag Fire Water, Model PWS25G, with part numbers 552050 and 552501.

The extinguishers were sold from May 2003 through September 2005.

Canadian consumers should call the company at (800) 906-3575 for more information about the replacement program.

Recall notice

Company website