Stelpro KI STZB402+ Smart Thermostat for Electric Baseboard Heaters

  • $107.99

Only 4 left!

The Stelpro KI STZB402+ Smart Thermostat puts comfort at your fingertips with remote control, scheduling, and event automation functionality letting you control your home's heating and cooling schedule according to your routine. 


  • Remote control from anywhere, anytime
    Remotely monitor and manage your home’s comfort and energy use from anywhere on your smartphone.
  • Works with Electric Baseboard Heaters
    Compatible with 120V and 240V baseboard heaters, convectors, fan forced heaters up to 4000W.
  • Choose from three functions: Comfort, Economy and Off
    Choose from three pre-programmed functions of Comfort: 21 °C (70 °F), Economy: 17 °C (63 °F), or Off depending on your comfort needs. 
  • Outdoor Temperature Display
    Displays outdoor temperature provided by an external sensor, so you're always prepared for the outside elements. 
  • Energy Savings
    Energy savings of more than 30% with day/night temperature reduction of 8 °F.




Compatible with Maestro Controller (sold separately) or Zigbee hub (Vera, Leviton, SmartThings)
2 wire connection compatible with both 2 wire and 4 wire installations
Not compatible with WINK Hub 2

Heating System

Not compatible with Inductive load or Central heating system (How to tell what type of heating system I have?)


Technical Specifications

  • Wattage and Voltage:
    • 150 W to 2000 W @ 120 V
    • 300 W to 4000 W @ 240
  • Amperage (amp): 16.7
  • Frequency (Hz): 50/60
  • Temperature Range: 41 to 86 °F<
  • Temperature Display: Celsius or Fahrenheit
  • Warranty: 3 years
  • Includes:
    • 1x thermostat
    • 1x wall mounting plate located at the back of the thermostat
    • 2x mounting screws
    • 2x solderless connectors suitable for copper wires


Installation Guide

User Guide

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