Wall Modules

You can count on Honeywell wall modules for the latest technology, accurate performance and reliability. Honeywell’s latest Zio family of wall modules include Sylk technology, which simplifies complex wiring and installation, saving time and money on the job.

To learn more about the Zio family of wall modules, check out our video to the right.

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Zio zioplus
Unmatched access and control
  • Space temperature sensor with optional humidity sensor
  • Sylk enabled to save installation time
  • Simple two-wire, polarity insensitive bus simplifies wiring and frees up crucial inputs and outputs
  • Compatible with Spyder Sylk-enabled controllers
  • Sleek design with an easy-to-use interface
  • Models available with temperature only or temperature and humidity
  • Access and change almost any point in the controller, including scheduling with the Zio Plus
  • Customizable screen layout to fit different applications and end-user needs
  • Any combination of up to four Zio and Zio Plus modules can be installed on a single Sylk bus
  • Product Resources for Zio and Zio Plus Wall Modules
Zio lite
Simple and easy installation for any application
  • Space temperature sensor with optional humidity or CO2detection
  • Sylk enabled to save installation time
  • Simple two-wire, polarity insensitive bus simplifies wiring and frees up crucial inputs and outputs
  • Compatible with Spyder Sylk-enabled controllers
  • Sleek design with an easy-to-use interface
  • Models available with and without a display and with or without humidity and/or CO2
  • Integrated CO2 sensor allows for Demand Control Ventilation to reduce building operating costs
  • Great for retrofits using just two of the existing wires
  • Product Resources for Zio Lite Wall Modules
Tr20
Accuracy and simplicity come together
  • Direct-wired wall module
  • Compatible with Spyder controllers, Excel and Excel 10
  • Sleek design with models for temperature only or temperature and humidity
  • Space sensor, 20K ohms NTC on most models
  • Override button with LED
  • Some models available for private labeling to let customers know who to call for their future HVAC needs
  • Product Resources for TR20 Series Wall Modules
Tr20 wireless
Effortless wireless installation
  • Seamless integration without the hassles and cost of wires , conduits and wall repair
  • Wireless technology reduces labor time and makes sensor relocation a breeze
  • Easy installation with no field configuration - just put up the wall module and wire the receiver to the controller
  • LED signal strength light on the sensor indicates if the RF signal is strong, eliminating guesswork
  • 100 foot range and a 3,000 foot open air range
  • Up to a 7.5-year battery life
  • Compatible with Spyder controllers, Excel 10 controllers, T7350 and T7351 thermostats and various other non-Honeywell controllers
  • Available with a sensor only or with an override and push button
  • Product Resources for TR20 Series Wireless Wall Modules