Skip to content
Underfloor Heating At Unbeatable Prices
Fast & Reliable Delivery
We'll Beat Any Price
Long-Lasting Warranty

Heatmiser Slimline-RF Wireless Thermostat Kit

From £74.99
Now £74.99
in stock, ready to be shipped
Heatmiser Slimline-RF Wireless Thermostat Kit
From £74.99
Now £74.99
Need expert advice?

Need advice or a better price?

Call our expert team 01268 567016

Get next day delivery

For delivery on Tuesday

When ordered before 4pm (On weekdays)

Elevate your heating control with the Heatmiser Slimline-RF Wireless Thermostat Kit. This comprehensive kit includes the Heatmiser Slimline-RF thermostat and the Heatmiser RF-Switch, providing a complete solution for efficient and convenient temperature management.

Heatmiser Slimline-RF Thermostat

The Heatmiser Slimline-RF thermostat is a versatile wireless thermostat compatible with the Heatmiser UH8-RF and RF Switch Wireless Receivers. With the ability to connect to a remote sensor, it allows temperature measurement up to 20 meters away from the thermostat, ensuring precise control and monitoring.

Key Features:

  • Wireless Control: Enjoy the freedom of wireless control with the Slimline-RF thermostat. Mount it on the wall within a 20-meter open space range from the receiver for convenient temperature adjustments in the controlled area.
  • Optional Repeater: Extend the wireless communication distance with the optional Heatmiser Boost repeater, ensuring reliable communication in larger spaces or areas with obstacles.
  • Key Lock Facility: Use the key lock feature to restrict access to the thermostat, preventing unauthorized temperature adjustments and promoting energy conservation.
  • Self Learning Preheat: The Slimline-RF thermostat incorporates self-learning preheat functionality, calculating the optimal heat-up time required to reach the desired temperature at the scheduled time, enhancing comfort and energy efficiency.
  • Compatibility: Seamlessly integrate the Slimline-RF thermostat with the Heatmiser UH8-RF, RF Switch, and Boost, providing compatibility with 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, ensuring personalized temperature control and maximum comfort.
  • Optimum Start: The thermostat's optimum start feature calculates the required heat-up time based on the desired temperature schedule, ensuring your space is comfortably heated at the right time while maximizing energy efficiency.
  • Holiday Function: Set a different temperature during your absence with the holiday function, saving energy while maintaining protection against freezing.
  • Keylock Function: Enhance control and security with the keylock function, preventing unauthorized access to the thermostat settings.
  • Temperature Hold: Use the temperature hold feature to set a specific temperature for a defined duration. After the set time has elapsed, the thermostat returns to its regular programming, balancing comfort and energy conservation.
  • Remote Air Sensor Connection: Connect a remote air sensor to the Slimline-RF thermostat for precise temperature measurement in a different location, enabling even more control over your heating system.
  • Wireless Fail Safe: The thermostat includes a wireless fail-safe mechanism, ensuring reliable communication between the thermostat and receivers, even in the event of temporary signal disruptions.
  • Frost Protection: Protect your heating system and prevent freezing with the frost protection feature, maintaining a minimum temperature threshold to safeguard your pipes and equipment.
  • °C/°F Option: Choose between Celsius and Fahrenheit for temperature readings.
  • Blue Backlight: The Slimline-RF thermostat features a blue backlight, providing clear visibility of the display and conserving energy when not in use.
Heatmiser RF-Switch

The Heatmiser RF-Switch is a surface-mount, 2-channel wireless receiver included in this kit. It controls 2 heating zones and 1 hot water zone, offering flexibilityand control over your heating system. The RF-Switch also provides a volt-free output for seamless integration with your boiler.

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

Heatmiser RF-Switch
Compatibility Slimline-RF Touch-RF neoAir UH8-RF
No. of Heating Zones 2
No. of Hot Water Zones 1
Boiler Output 1
Mounting Type Surface
Relay Load Max 3A Resistive
Total Load Max 9A Resistive
Supply 230V AC
Dimensions (L, H, D) 108x90x24mm
Heatmiser Slimline-RF Thermostat
RF Frequency 868MHz
RF Range Up to 100M
App Data Range N/A
Power 2 x AAA Batteries
Mounting Type Wall
Dimensions 85x98x24mm (LHD)
Operating Type Button
Temperature Range 05°C-35°C
No. of Heating Levels 4
No. of HW Times 4
IP Rating IP20
Our reviews speak for themselves!

We're here to help

Our product experts are here to assist with any enquiry you might have.

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

Call us on 0800 141 2643

Reach out to our expert team
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)

Explore delivery information

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.

Find out more

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.

Find out more

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare