Fire Alarm Control Recall (February 2011):
Simplex is recalling approximately 540 of their 4100U-NXP fire alarm controls, distributed between May 2010 and September 2010, running software version 14.01 which is also configured with on board off-site monitoring hardware. There have been at least two instances where systems have failed to communicate alarm events to the programmed third party monitoring agencies. Details of what you must do are here.

Smoke Detector Recall (May 2006):
The smoke detector model numbers which are the subject of this recall could experience reduced sensitivity in conditions of high humidity and temperature. The resultant delay in activation could endanger the building occupants. For details on the affected model numbers, and procedures for changing them out, please click here.

Special Protection Sprinkler Head Delisted:
Gem Type EA-1 "Protectospray" (as well as heads referred to as "Quencher", "Mistifier", "Economist", etc.) have been delisted by UL for use in protecting commercial cooking deep fat fryer equipment. Nozzles manufactured after October 9, 1997 are no longer UL Listed for water spray protection inside commercial kitchen hoods that employ deep fat fryers. They do NOT meet the requirements of UL-300 (see sample photograph). You can follow the link to Tyco Fire & Security's Data Sheet TFP800 (formerly TD725) for more information.

Water based sprinkler heads like this protecting a deep fat fryer in a commercial kitchen pose a severe hazard to workers in the event of a fire. Upgrading to a UL-300 compliant engineered system makes good sense (not to mention it's required by most jurisdictions)!