Skip to main content

Sure Signal Products Recalls Heat-Activated Fire Alarms

Sure Signal Products is no longer in business. For free replacement fuses for recalled alarms sold under the MasterGuard, ThermaLINK and Responsive brand names, consumers should contact Global Health and Safety at (972) 393-5500 or; and for free replacement fuses for DeTech-branded recalled alarms, consumers should contact Reliance Products at (262) 236-0123 or
Name of Product:
Heat-activated fire alarm

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

Recall Date:
October 29, 2015
About 375,000
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.

Recall Details


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. 


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


None reported

Sold At:
Fire alarm dealers nationwide from January 2004 through September 2015 for between $300 and $375.
Sure Signal Products, Inc., of Garden Grove, Calif.

Sure Signal Products, Inc., de Garden Grove, California

Manufactured In:
United States
Recall number:

Note: Individual Commissioners may have statements related to this topic. Please visit to search for statements related to this or other topics.

If you are experiencing issues with a recall remedy or believe a company is being non-responsive to your remedy request, please use this form and explain the situation to CPSC.
About the U.S. CPSC

The U.S. Consumer Product Safety Commission (CPSC) is charged with protecting the public from unreasonable risk of injury or death associated with the use of thousands of types of consumer products. Deaths, injuries, and property damage from consumer product-related incidents cost the nation more than $1 trillion annually. CPSC's work to ensure the safety of consumer products has contributed to a decline in the rate of injuries associated with consumer products over the past 50 years.

Federal law prohibits any person from selling products subject to a Commission ordered recall or a voluntary recall undertaken in consultation with the CPSC.

For lifesaving information:
Choose Your Recall Emails Get Notified About Each Recall via Email.
Report an unsafe product