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Heatmiser Slimline-RF Wireless Programmable Thermostat

From £47.99
Now £47.99
in stock, ready to be shipped
Heatmiser Slimline-RF Wireless Programmable Thermostat
From £47.99
Now £47.99
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For delivery on Tuesday

When ordered before 4pm (On weekdays)

Experience the convenience and versatility of the Heatmiser Slimline-RF Wireless Programmable Thermostat. This multi-mode wireless thermostat is compatible with the Heatmiser UH8-RF and RF Switch Wireless Receivers, providing seamless integration with your heating system.

Key Features:

  • Wireless Control: Eliminate complex wiring with the Slimline-RF thermostat, allowing you to position it anywhere within a 20-meter range from the receiver for convenient temperature adjustments.
  • Remote Sensor Compatibility: Use a remote sensor up to 20 meters away from the thermostat for precise temperature monitoring and control in specific areas.
  • Extended Communication Range: Add the optional Heatmiser Boost repeater for larger spaces or areas with obstacles, ensuring reliable wireless communication.
  • Key Lock Facility: Restrict access to the thermostat with the key lock feature, preventing unauthorized temperature adjustments and promoting energy conservation.
  • Self Learning Preheat: The thermostat calculates the optimal heat-up time to reach the desired temperature at the scheduled time, enhancing comfort and energy efficiency.
  • Compatibility: Compatible with Heatmiser UH8-RF, RF Switch, and Boost, providing versatility for various heating setups.
  • Programmable Modes: Choose heating-only or heating and hot water modes with non-programmable, 5/2 day, and 7-day programming options for flexible temperature scheduling.
  • 4 Comfort Levels per Day: Set up to four different comfort levels throughout the day for optimal temperature control.
  • Optimum Start: The thermostat calculates the heat-up time based on the desired temperature schedule, ensuring a comfortably heated space at the right time and maximizing energy efficiency.
  • Holiday Function: Set a different temperature while on vacation to save energy while protecting against freezing.
  • Temperature Hold: Set a specific temperature for a defined duration, balancing comfort and energy conservation.
  • Remote Air Sensor Connection: Connect a remote air sensor to measure temperature in a different location, providing precise control over your heating system.
  • Wireless Fail Safe: Maintain reliable communication between the thermostat and receivers with the wireless fail-safe mechanism.
  • Frost Protection: Prevent freezing and protect your heating system with the frost protection feature.
  • °C / °F Option: Choose between Celsius and Fahrenheit for temperature readings.
  • Blue Backlight: The blue backlight provides clear visibility of the display and conserves energy when not in use.

Upgrade your heating control with the Heatmiser Slimline-RF Wireless Programmable Thermostat and enjoy wireless convenience, precise temperature control, and energy-efficient heating tailored to your needs.

RF Frequency 868MHz
RF Range Up to 100m
App Data Range N/A
Power 2 x AAA Batteries (Included)
Mounting Type Wall
Dimensions 85x98x24mm (LHD)
Operating Type Button
Temperature Range 5 °C-35 °C
No. Heating Levels 4
No. Hw Times 4
Optional Probe Thimble sensor
Probe Rating 10Kohm
IP Rating IP20
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Our customer support is available Monday to Friday 7am-6pm.

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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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