Snap Action Thermal Switch (Honeywell) – Malfunction (2005)
Hazard assessment based on recall description.
This AI-generated summary is provided for general informational purposes only and is derived from publicly available recall notices. It supplements but does not replace official agency classifications or safety instructions.
Check Your Product
According to the U.S. Consumer Product Safety Commission (CPSC)
Product
"Snap Action" Thermal Switches
Brand
Honeywell Sensing and Controls, of Freeport, Ill.
Lot Codes / Batch Numbers
Not specified in CPSC notice. Check official source for details.
Product Images
Source: U.S. Consumer Product Safety Commission
Honeywell Sensing and Controls, of Freeport, Ill. is recalling "Snap Action" Thermal Switches. The hazard is: When these switches are used in fire or HVAC dampers and heat detectors, they could fail to operate,. Based on CPSC recall notice.
Summary derived from CPSC notice
The following details were not provided by CPSC: UPC codes.
Reason for Recall
As stated by CPSC
These "Snap Action" thermal switches were sold under the model number 2450A, 2455RA, or 2455RM. They have model numbers and date codes stamped on the sensing surface or end cap. Following are those model numbers and date codes that are part of the corrective action: Model Number Date Codes Part of Corrective Action 2455RA and 2450A Z0412, Z0413, Z0414, Z0415, Z0416, Z0417, Z0418, Z0419, Z0420, Z0421, Z0427, Z0429, Z0430, Z0431,Z0432, Z0434, Z0435, Z0436, Z0437 2455RM Z0421, Z0427, Z0429, Z0430, Z0431, Z0432, Z0434, Z0435, Z0436, Z0437
Reported concern (CPSC)
When these switches are used in fire or HVAC dampers and heat detectors, they could fail to operate, causing the damper not to close or causing the heat detector not to alarm, if there is a fire.
Recommended Action
Per CPSC guidance
Honeywell Sensing and Controls will provide a free replacement switch.
Verify this information on the official source
For complete details and official instructions, check the U.S. Consumer Product Safety Commission (CPSC) directly.
View official CPSC recall noticePage updated: Jan 6, 2026