The Consumer Product Safety Commission announced on August 13, 2014 that thirty-three models of the 400 and 500 series

Edwards (ESL)-branded and Interlogix smoke detectors hard-wired into a security system.

Edwards and Interlogix smoke detectors are identical. The 2-wire or 4-wire detectors are round, white and measure 6 inches across by 2 inches high.

The smoke detectors were made for professional installation and used primarily in commercial buildings, schools, hotels/motels, apartments, dormitories and homes as part of the fire alarm system.

Recalled units have date codes 13084 through 14059 with the first two digits representing the year, for example: 13 for 2013 and 14 for 2014; and the last three digits representing the day of the year, for example: 084 is the 84th day of 2013, which is March 25, 2013.

The initials ESL, the date code and one of the following model numbers are printed on a label on the back of the detector's cover and on the product's packaging.

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, 541CXT-10PK and 548C.To read more about this recall go to the Consumer Product Safety Commission Recall Wepage about this product.