Timers with date codes '40Z' through '52Z' or date codes ending in 'A,' 'B,' or 'C' are affected.
Call 800-704-3595 for more information.
Only timers with the 04B manufacturing code are affected.
Call 815-675-7500 for more information.
Timers with date codes ending in "B", "01C", "02C", or "03C" are affected. If your timer is installed and does not have a date code on the inside of the front door, it is also affected.
Call 877-417-4316 for more information.