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Sure Signal Products Recalls Heat-Activated Fire Alarms

Starting date:
November 27, 2015
Posting date:
November 27, 2015
Type of communication:
Consumer Product Recall
Household Items, Electronics
Source of recall:
Health Canada
Product Safety
General Public
Identification number:

Affected products

Sure Signal Products heat-activated fire alarms sold under the following brand names and models: MasterGuard QR50, Thermalink QR50, and DeTech FST2004H.

Product description

The recall involves Sure Signal Products heat activated fire alarms. These alarms are white, round and measure about 18 cm (7 inches) in diameter. The alarms have a round fuse at the center. The fuse is white or chrome and about 4 cm (1.5 inches) in diameter.

The fuses are marked 117°F or 136°F on the label on the back of the fuse, with a date code range from 04001 – 15182.  Date codes are listed in "YYDDD" format.

The alarms were manufactured from January 1, 2004 through July 1, 2015. 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 label on the back of the fuse.

Hazard identified

The functionality of the replaceable fusible link sensor (also referred to as the fuse) on the fire alarm can degrade with time, which can cause the alarm to fail to alert a consumer to a fire.

Neither Sure Signals Products nor Health Canada has received any reports of injuries or  consumer incidents related to the use of these alarms.

Number sold

Approximately 4,500 units of the fire alarms were sold in Canada, and approximately 375,000 were sold in the United States.

Time period sold

The fire alarms were sold from January 2004 to June 2015.

Place of origin

Manufactured in the United States of America.


Sure Signal Products, Inc.
Garden Grove
Alarms were sold through direct presentation by fire alarm dealers across Canada.

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What you should do

Consumers should immediately contact Sure Signal Products by telephone toll-free at 855-202-3083 from 8 a.m. to 5 p.m. PT Monday through Friday for free replacement fuses or on-line and click on CPSC Heat Sensor Recall in the upper right of the page for more information.  A video with instructions on how to replace the fuse is available.

Please note that the Canada Consumer Product Safety Act prohibits recalled products from being redistributed, sold or even given away in Canada.

Health Canada would like to remind Canadians to report any health or safety incidents related to the use of this product or any other consumer product or cosmetic by filling out the Consumer Product Incident Report Form.

This recall is also posted on the OECD Global Portal on Product Recalls website. You can visit this site for more information on other international consumer product recalls.