Name of Product: Heat-activated fire alarm

Hazard: A defective fusible link sensor (fuse) on the fire alarm can cause the alarm to fail to alert consumers of a fire.

Remedy: Replace

Consumers should immediately contact Sure Signal Products for free replacement fuses. A video with instructions on how to replace the fuse is available at

Consumer Contact: Sure Signal Products toll-free at 855-202-3083 from 8 a.m. to 5 p.m. PT Monday through Friday or at  and click on CPSC Heat Sensor Recall in the upper right of the page for more information.

Photos available at

Units: About 375,000

Description: This recall involves Sure Signal Products heat-activated fire alarms sold under the following brand names and models:  DeTech FST2004H, MasterGuard QR50, Responsive TR70-R and Thermalink QR50. They are white, round and measure about 7 inches in diameter. The alarms have a round fuse at the center. The fuse is white or chrome and about 1.5 inches in diameter, and has a temperature rating of 117°F or 136°F.  The alarms were manufactured from January 1, 2004 through July 1, 2015. Date codes are listed in a YYDDD format and range from 04001 through 15182. The alarm’s model is printed on a label on the back of the alarm. SSP, the temperature rating and the date code can be found on the back of the fuse.

Incidents/Injuries: None reported

Sold at: Fire alarm dealers nationwide from January 2004 through September 2015 for between $300 and $375.

Manufacturer: Sure Signal Products, Inc., of Garden Grove, Calif.

Manufactured in: United States