DescriptionESL and Interlogix branded 400 and 500 series smoke detectors for professionally installed fire and security systems in commercial and residential buildings Product description This recall involves the 2-wire and 4-wire models of the 400 and 500 series ESL Interlogix smoke detectors with manufacturing date codes 13084 (March 25, 2013) to 14059 (February 28, 2014). The initials ESL, the date code and the model number are printed on the back of the detector’s cover and on the product’s packaging. The affected model numbers are: 400 Series: 429AT, 429C, 429CAD, 429CRT, 429CST, 429CT, 429CTAD, 449AT, 449C, 449CRT, 449CSRH, 449CSRT, 449CST, 449CSTE, 449CT and 449CTE. 500 Series: 511C, 518C, 521B, 521BXT, 521B-10PKDMP, 521B-10PKG, 521BXT-10PKG, 521BXT-DMP-10PKG, 528B, 528CRXT, 541C, 541C-10PKG, 541CXT, 541-CXT-10PK, 548C, C2M-PD, C2M-PD1, C2M-PDC, C2M-PDHC and C2M-PDHRC. Since this product is found as part of an integrated security system, the model numbers and date codes are unlikely to be accessible to consumers. If consumers have detectors that they believe may be subject to this recall notice, they should contact their security system provider to obtain more information about the detectors used in their system. Hazard identified Radio frequency interference can cause the smoke detectors to become non-responsive to smoke. Neither Health Canada, nor Interlogix nor Chubb Edwards has received any reports of consumer incidents or injuries with these products. Number sold There were about 13,000 products sold in Canada, and about 141,000 units sold in the United States. Time period sold These products were sold to professional fire and security contractors and installers from March 2013 to February 2014. Place of origin Manufactured in China. Companies Manufacturer Fyrnetics Ltd. CHINA Distributor These products were sold through Chubb Edwards and by various other alarm system, security equipment and electrical equipment distributors, dealers and installers throughout Canada. Images (select thumbnail to enlarge - opens in a new window)