https://firetechs.net Technical Bulletins, Recalls, and Service Notes https://firetechs.net/library/systemsensor.asp System Sensor has issued a recall of 1450 COSMO-2W and COSMO-4W residential detectors. https://firetechs.net/library/kidde.asp Kidde Canada has issued a technical bulletin regarding the pressure relief plug installed on agent bottles . Accelerated inspection of the plugs are mandatory! https://firetechs.net/library/siemens.asp Siemens is recalling 9000 smoke detector bases with audible sounders. https://firetechs.net/library/edwards.asp New Chubb-Edwards Technical Service Bulletin affects all Fireshield panels employing bells on the notification circuits! https://firetechs.net/library/ulc.asp Underwriter's Laboratories have issued a new waring about counterfeit sprinkler heads manufactured in South Asian market!