Stelpro KI STZW402WBplus Line-Volt Thermostat

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Stelpro STZW402WB+ KI Line-Volt Thermostat
Compatibility Unofficial - User Verified
Manufacturer Stelpro
Model/Part # STZW402WB+
Network Type ZWave
Category(s) HVAC
Access Control, Security & Monitoring
Type(s) Thermostat
Sub-Type(s) Temperature
Files STZW402-1.pdf

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CONFIRMED WORKING: Unofficial - User Verified

Stelpro STZW402WB+ KI Line-Volt Thermostat


The KI thermostat for the smart home is the first ever Z-Wave line voltage thermostat in North America. KI thermostats can easily be integrated into the Z-Wave network of your home, allowing you to adjust the temperature in rooms of your home from a distance. The Z-Wave technology also allows you to activate scenes, setting in motion several actions such as adjusting the temperature and lighting, activation of safety and entertainment systems and more.


  • Z-Wave Thermostat for Electric Baseboards and Convectors
  • 2-wire connection to heater
  • Backlit screen with adjustable intensity
  • Power: 150 W to 2000 W @ 120 V / 300 W to 4000 W @ 240 V
  • Temp Range: from 5 to 30 °C (from 41 to 86 °F)



  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.