Remotec ZXT-120 Z-Wave IR Extender for Air Conditioners

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Remotec ZXT-120 Z-Wave IR Extender for Air Conditioners
Compatibility Unofficial - User Verified
Manufacturer Remotec
Model/Part # ZXT-120
Network Type ZWave
Category(s) HVAC
Type(s) Air Conditioner

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CONFIRMED WORKING: Unofficial - User Verified

Remotec ZXT-120 Z-Wave IR Extender for Air Conditioners


  • Fully complaint to Z-Wave command class.
  • Built-in AC IR code library with Configuration Learning capability.
  • Able to feedback room temperature.
  • Build-in 5 direction IR emitters(hemispherical coverage),
  • 3.5mm jack for external wired IR emitter (optional).
  • Transmit IR control code with a wide range of carrier frequency (15 to 455kHz).
  • Programmable power level (LOW or HIGH) for external IR emitter to avoid saturation of IR receivers.
  • Dual mode (FLiRS mode when working on battery, Always Listening mode when work on AC power)
  • Frequency: US: 908.4MHz, EU:868.4MHz, AU:921.4MHz
  • Power Source: USB mini-B,5V DC Jack, or 3xAAA batteries.
  • Dismountable battery box.
  • Dimension: Extender unit: 70mm (diameter) *18mm(thickness)
  • Battery Box: 70mm(diameter) *15.5mm(thickness)



  • Manual heat/cool controls work
  • Schedules don't work
  • Shortcuts work
  • Temperature sensor not reliable
  • To access the Built-in AC IR code library, you need to use a secondary controller such as the GE 45600 Z-Wave Basic Handheld Remote to program it before you pair it with Wink, then unpair it from the remote and pair it to Wink.
    • "I used the GE Z-wave remote. Paired the ZXT-120 to the remote then followed the directions that came with the ZXT-120 to program it using the remote. Once I had it working with the remote I used the remote to unpair the ZXT-120 and then added it to Wink as a generic Z-wave thermostat. Has worked ever since. It does not lose its programing when it is unpaired or when it loses power." -Eric Buonaccorsi



  1. Although I do my best to verify every product that is reported as compatible, things do change.
    • Firmware updates to either hub might render previously-compatible devices inoperable. Usually, problems like this are reported and addressed by Wink.
  2. Inclusion in this Wiki is a very good indicator of compatibility, but is not a guarantee.
    • One thing to be aware of is that "ZWave Plus" devices might not work with the Wink Hub (1st version), though they should work with the Wink Hub 2.
  3. I use a Wink Hub 2 as my primary controller.
    • My testing is done on the Wink Hub 2.
    • I try to find out if devices reported by others are Hub 1 or Hub 2, but I'm not always able to find out.
  4. I am a beta tester.
    • This means my hub might work with a device that won't work for the general public.
    • I try to avoid adding article for devices that are only compatible with the Wink beta firmware, but sometimes, something slips through.
    • If I report that it works, but it does not work for you, chances are it will start working for you in the near future.