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Herschel iQ MD1 Wired Thermostat

£70.00 inc. Vat

  • 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



The Herschel iQ MD1 Wired Thermostat is ideal for new builds/renovations where cabling can be neatly hidden whether it be for domestic or commercial applications. When used in conjunction with the iQ HUB, MD1 can also be controlled via the internet using the Herschel iQ App enabling you to control the heaters when you are away from the building.

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

MD1 is wired directly to the mains circuit and to the heaters and requires recessing into the wall. If this is not practical consider the Herschel iQ T1 Wireless Thermostat.

The MD1 thermostat will operate your Herschel heater(s) by turning them on if the room temperature is lower than the desired temperature. It will turn them off once the desired temperature is reached. The MD1 is easy to operate, featuring a large digital touchscreen display. It incorporates the latest EcoDesign energy-saving features including Herschel’s open window technology.

MD1 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.  The MD1 is a 16 amp thermostat enabling up to 3.6 kW of Herschel heaters to be connected.

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 together 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 MD1 Wired Thermostat Installation and setup instructions!

Frequency: 433 MHz
Power supply: 110 – 230VAC, 50/60Hz
Max Load: 16 Amp / 3.6kW
Set point range: 5~45℃
Ambient: 0~50℃
Relative Humidity: 85%
Backlight: White
Sensor: NTC 10K, 3950ohms at 25℃
Accuracy: ± 0.5℃ (step control by +0.5℃)
Protection class: IP30
Housing: ABS to UL94-5 fire retardant plastic



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