| Brand | Honeywell |
|---|---|
| Model | Honeywell THM5421R02 |
Check the listing for details. 1-(used ) Honeywell THM5421R02 EIM. Condition: Used. Listed at 50.00 USD. 1-(used ) Honeywell EIM board THM5421R02. Must be used with a Honeywell redlink enabled thermostat. No paperwork /owners manual ,you can easily download them . You will receive the same exact one In the listing , so the model and serial #’s will match .
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