Stelpro Maestro SMC402 Smart Controller Thermostat - Front View

Stelpro Maestro SMC402AD Smart Controller Thermostat for Electric Baseboard Heaters

  • $209.99

Only 1 left!

The Stelpro Maestro SMC402AD Smart Controller Thermostat is your home's maestro orchestrating for your optimal comfort. The Stelpro Maestro SMC402AD is designed to give you full control over your comfort and and helps save money on heating bills.


  • Works with Electric Baseboard Heaters
    Compatible with 120V, 240V and 208V electric baseboards, convectors and fan heaters.
  • Multi-room Monitor and Control
    Control temperatures in multiple rooms from a single app or group rooms together into zones (i.e. bedrooms, basement) to make managing your heating even simpler.
  • Save Money on Your Electric Bills
    Track your energy consumption with real-time reports to help you identify potential energy savings and save up to 25% on your heating bills.
  • Geofencing detects your location and adjusts the temperature
    Geofencing uses your smartphone location to detect your proximity from home and adjusts the temperature to save money or provide comfort for your arrival.
  • Radical Temperature Decrease Detection
    Sends real-time alerts if radical temperature fluctuations are detected, such as when a window is left open ensuring you can take immediate action.




Works with

Works with Amazon Alexa Works with Google Assistant

Heating System

Compatible with electric baseboards, convectors and fan-forced heaters (How to tell what type of heating system I have?)

Not compatible with Inductive load or Central heating system


Technical Specifications

  • Color: Black
  • Wattage and Voltage:
    • 300 W to 4000 W @ 240 V
    • 260 W to 3400 W @ 208 V
  • Amperage (amp): 16.7
  • Frequency (Hz): 50/60
  • Temperature Range: 5 to 30 °C (from 41 to 86 °F)
  • Warranty: 3 years
  • Includes: 
    • MAESTRO controller thermostat
    • Mounting plate
    • 2x Mounting screws (2)
    • 2x Caps (2)
    • Quickstart guide
    • Warning


Installation Guide

Quick Start Guide

User Guide

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