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.
About 113,500, including about 12,200 that were installed in buildings
For more information, call Honeywell Sensing and Controls at (800) 537-6945 between 8 a.m. and 5 p.m. CT Monday through Friday.
Recall Details
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 |
Honeywell Sensing and Controls will provide a free replacement switch
None reported
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