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    Wall Modules

    TR20 Series

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

    Overview
    TR20 Series 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:
    • 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)
    Specifications

    Others

    • Brand
      • Honeywell BMS NA

    Others

    • Brand
      • Honeywell BMS NA
    • Brand : Honeywell BMS NA
    Others
    Name
    Description
    File Size
    Date
    Size
    TR20 Series Wall Modules Specification Data
    application/pdf 1.21 MB
    5/14/2023
    1.21 MB
    Specification Data (Chinese)
    application/pdf 280.59 KB
    4/17/2023
    280.59 KB
    TR20 Series Wall Modules Specification Data (French)
    application/pdf 556.8 KB
    5/14/2023
    556.8 KB
    Brochure
    Name
    Description
    File Size
    Date
    Size
    Sensor Selection Guide
    application/pdf 3.36 MB
    5/11/2023
    3.36 MB
    Installation Instructions
    Name
    Description
    File Size
    Date
    Size
    TR20 Series Wall Modules Installation Instructions
    application/pdf 1.52 MB
    5/8/2023
    1.52 MB
    TR20 Series Wall Modules Installation Instructions (Spanish)
    application/pdf 1.33 MB
    5/8/2023
    1.33 MB
    Name
    Description
    File Size
    Date
    Size
    TR20 Series Wall Modules Specification Data
    application/pdf 1.21 MB
    5/14/2023
    1.21 MB
    Specification Data (Chinese)
    application/pdf 280.59 KB
    4/17/2023
    280.59 KB
    Sensor Selection Guide
    application/pdf 3.36 MB
    5/11/2023
    3.36 MB
    TR20 Series Wall Modules Installation Instructions
    application/pdf 1.52 MB
    5/8/2023
    1.52 MB
    TR20 Series Wall Modules Installation Instructions (Spanish)
    application/pdf 1.33 MB
    5/8/2023
    1.33 MB
    TR20 Series Wall Modules Specification Data (French)
    application/pdf 556.8 KB
    5/14/2023
    556.8 KB
    Name
    Description
    File Size
    Date
    Size
    TR20 Series Wall Modules Specification Data
    1.21 MB
    5/14/2023
    Specification Data (Chinese)
    280.59 KB
    4/17/2023
    TR20 Series Wall Modules Specification Data (French)
    556.8 KB
    5/14/2023
    Sensor Selection Guide
    3.36 MB
    5/11/2023
    TR20 Series Wall Modules Installation Instructions
    1.52 MB
    5/8/2023
    TR20 Series Wall Modules Installation Instructions (Spanish)
    1.33 MB
    5/8/2023
    Product Number
    Part Number
    Description
    Add to list
    TR21-A-OL/U
    10 K ohm NTC non-linear Temperature Wall Module for Averaging only, Special for Lennox
    TR21-A-US/U
    10K Temp Wall Module
    TR21-A/U
    Temperature Sensor, TR21-A, 20K ohm NTC, Non Linear
    TR21-H-US/U
    20K TempHumidity Wall Module,Lon Jack
    TR21-H/U
    Temperature Sensor, 20K ohm NTC Non-Linear, Lon Jack
    TR21-J-US/U
    20K Temp Wall Module w Lon Jack
    TR21-J/U
    Temperature Sensor, 20Kohm NTC Non-Linear, Lon Jack, Replaces T7770A2004
    TR21-OL/U
    20 K ohm NTC non-linear Temperature Wall Module, Special for Lennox
    TR21-US/U
    20K Temp Wall Module
    TR21/U
    Temperature Sensor, TR21, 20K ohm NTC, Non Linear