Herschel iQ MD2 Wired Thermostat

  • Turns Heaters ON if Temp is Lower than Pre-Set Temp
  • Turns Heaters OFF Once Pre-Set Temp is Reached
  • Requires Recessing & Wiring into the Wall
  • RF 433Mhz | 1 Year Warranty | 16A/ 3.6kW Max Load



Not sure which wattage to buy? Check out our Watt Calculator.

Categories: , , , ,


The Herschel iQ MD2 Wired Thermostat is ideal for new builds/renovations where cables can be neatly hidden for both domestic or commercial applications. The MD2 wired thermostat is WiFi-enabled through the SmartLife App, so the MD2 can be controlled remotely when you are away from the building.

This 16 amp thermostat can control up to 3.6kW of Heaters.

MD2 is wired directly to the mains circuit and the heaters and is recessed into the wall. For a wireless thermostat click here Herschel iQ T2 Wireless Thermostat.

The MD2 thermostat turns on if your room is below the desired temperature and turns your Herschel heaters off once the set temperature is reached.

This thermostat is easy to operate and features a large digital touchscreen display. It incorporates the latest EcoDesign energy-saving features including Herschel’s open window technology.

MD2 has a keypad locking feature to prevent unauthorised tampering. This makes it suitable for commercial applications such as hotels, care homes, student accommodation and let properties.

Click here to read a comprehensive review of the SmartLife app

Key Features:

Mains operated
Easy to use large LCD display
Wall installation
7 x 1 day programmable, 6 periods per day
2 modes including Comfort and Economy
Open window function
5°C – 45°C operation
Keypad Lock
Wireless 433Mhz
CE, RoHS, RED approved
12-month warranty*
Herschel Infrared heaters with the iQ MD1 are fully compliant with EC Directive 2009/125/EC for Ecodesign of local space heaters.

Note: Herschel iQ controls will only work with Herschel heaters.  *Attempted use with any other heater brand will invalidate the warranty. 

Datasheet  & Installation Guide

Click here for the Herschel iQ MD2 Wired Thermostat Installation and setup instructions!

You may also like…