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Environmental Modules

TR20 Series Wireless Sensor

TR20 Series wireless sensors are a family of direct-wired wall modules that are compatible with many Honeywell controllers.

TR20 Series Wireless Sensor

TR20 Series wireless sensors are a family of direct-wired wall modules that are compatible with many Honeywell controllers. These wall modules provide the accurate temperature readings and reliability expected from Honeywell sensors.

Features & Benefits:
  • Compatible with Spyder®, Excel, and Excel 10 controllers
  • Sleek design with models for temperature only or temperature and humidity
  • Space sensor, 20K ohm NTC on most models
  • Override button with LED
  • Operating range of 45 to 99 °F (7 to 37 °C)
Image
SKU
Description
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TR21-H/U
Wireless Temperature Sensor, 20K ohm NTC Non-Linear, Lon Jack
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TR21/U
Wireless Temperature Sensor, TR21, 20K ohm NTC, Non Linear
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TR23-Z
Wireless Temperature Sensor, TR23, 20K ohm NTC Non Linear, Replacement
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TR21-A/U
Wireless Temperature Sensor, TR21-A, 20K ohm NTC, Non Linear
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TR21-OT/U
WALL MODULE WITH 20K OHM SENSOR NO NETWO
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TR23-KL/B
Wireless Temperature Sensor, 20Kohm NTC Non-Linear, Lon Jack, Override & LED
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TR21-A-OC/U
WALL MODULE TEMPERATURE SENSOR
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TR23-WKU/U
Wireless Temperature Sensor/Receiver Kit, TR23, Selectable Setpoint, Override, Plain
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TR23-F3/U
Wireless Temperature Sensor, 20Kohm NTC Non-Linear, Selectable Setpoint, Lon Jack, Override/Fan
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TR21-WKU/U
Wireless Temperature Sensor/Receiver Kit, TR21, Selectable Setpoint, Override, Plain