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The Honeywell TR21-A Remote Temperature Sensor is a reliable device designed for various applications. It features a 10K Ohm resistance, suitable for remote temperature sensing in multiple environments. This wall module is compatible with several Honeywell controllers, including the Excel Series and Spyder Unitary Controllers.
The Honeywell TR21-A is designed for accurate temperature measurement in harsh environments. It mounts easily onto standard junction boxes and offers reliable performance with a fast response time.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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