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Heatmiser Edge Programmable Thermostat

From £48.99
Now £48.99
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Heatmiser Edge Programmable Thermostat
From £48.99
Now £48.99
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The Heatmiser Edge Thermostat is a powerful 230v thermostat that offers advanced features and wireless compatibility with accessories such as the wireless air sensor and wireless door/window switch. It provides enhanced control and flexibility for monitoring and managing temperature in various areas of your home.

Key Features:

  • Wireless Air Sensor Function: The Edge Thermostat allows you to measure the temperature in another location using a wireless air sensor. This is particularly useful for larger properties or when you want to monitor specific areas.
  • Wireless Door/Window Switch Function: Pairing a wireless window/door switch with the Edge Thermostat enables automatic switching to Standby Mode when the window/door is open and returning to normal mode when it's closed.
  • Upgrade Route: The Heatmiser Edge is an excellent option for upgrading from existing dial thermostats or for remote temperature measurement from the thermostat.
  • Modbus Connectivity: The Edge Thermostat includes Modbus connectivity, allowing seamless integration with home automation and building management systems. This feature enables third-party integrators to control the Edge series and incorporate it into broader control systems.
  • Self Learning Preheat: The Edge-e thermostat offers optimum start, a feature that calculates the required heat-up time for efficient heating.
  • Key Locking: The Edge series includes key locking with a PIN number, providing security and preventing unauthorized tampering with the heating system.
  • Large Display: The Edge Thermostat features a large, easy-to-read display, ensuring clear visibility of temperature and settings.
  • Flexible Programming: Choose between 5/2 day, 7-day, or 24-hour programming options, allowing you to customize your heating schedule according to your preferences.
  • Temperature Control: Enjoy the benefits of self-learning optimum start, 4 or 6 comfort levels per day, and temperature hold for precise control and personalized comfort.
  • Flush Mounting: The Edge Thermostat offers a sleek flush-mount design, seamlessly integrating into your home's aesthetics.
  • Frost Protection: Protect your heating system with the built-in frost protection feature, ensuring that temperatures never drop to damaging levels.
  • Temperature Scale: Choose between Celsius or Fahrenheit temperature scales to suit your preference.
  • Floor Sensor Mode: The Edge series supports floor sensor mode (probe not included) for accurate temperature measurement and control in electric floor heating systems.

Upgrade to the Heatmiser Edge Thermostat and enjoy advanced features, wireless connectivity options, precise control, and a sleek design to enhance your heating experience.

Max Output Volt Free 3A Max
Supply 230v
Dimensions (L,H,D) 90x90x15mm
Temperature Range 05-35C
No. Heating Levels 4 or 6 (selectable)
Optional Probe (not included) Room Sensor or Floor Sensor
Probe Rating 10Kohm
IP Rating IP20
  1. Using a small screwdriver, slightly loosen the screw from the bottom face of the thermostat. Carefully separate the front half from the back plate.
  2. Place the Edge-e LCD front plate in a safe location. Follow the wiring diagram above to terminate the Edge-e.
  3. Screw the Edge-e back plate securely into the back box.
  4. Replace the front of the thermostat onto the back plate by aligning the pins in the socket and inserting the top edge first. Push in the bottom edge, securing it in place with the retaining screw.

Important: Do not install near a direct heat source as this may affect functionality.

Important: Do not apply excessive pressure to the LCD screen as this may cause irreparable damage.

This thermostat is designed for flush mounting and requires a back box with a minimum depth of 35mm to be recessed into the wall before installation.

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Our customer support is available Monday to Friday 7am-6pm.

Call us on 0800 141 2643

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Free delivery on all orders*

At Underfloor Heating Direct, we strive to make every step of your order as easy and convenient as possible, from finding the right underfloor heating setup to best suit you to taking delivery of your system the very next day.

We're proud to offer a range of delivery options to suit you, including free delivery on all orders over £100 or next working day delivery for a fixed price of £5.99.

  • 2-3 working days delivery, order over £100 - FREE (£5.99 if under £100)
  • Next working day - £9.99 (Order before 4pm Monday - Friday)
  • Next working day before 12 noon - £19.99 (Order before 4pm Monday - Friday)
  • Saturday delivery - £29.99 (Order before 4pm Friday)

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30 days returns policy

At Underfloor Heating Direct, our customers have 30 days to upgrade, replace or refund their orders.


At Underfloor Heating Direct, we want to ensure you are happy with every purchase you make. If you have any issues with your chosen product, whether damaged, faulty or simply an unwanted item, you can simply return what you bought for a refund.


We take great care in the delivery of all of our products, however, in the event of your delivery arriving damaged or if you notice a manufacturing fault of any kind within 48 hours of delivery, you're within your rights to a replacement.


Within 14 days of purchasing from us, you are eligible to upgrade if you deem you want something a little better. Simply send it back to us brand new and we'll happily assist you with an upgrade to your order.

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Long-lasting warranty

At Underfloor Heating Direct, we are committed to providing our customers with high-quality products and outstanding customer service. That's why we offer a comprehensive warranty on all of our underfloor heating products, with a 10 year warranty for our electric underfloor heating kits.

Our warranties are designed to give you peace of mind and ensure that your underfloor heating system operates reliably for years to come.

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