Heatmiser Slimline RF V3 White Multi-Mode Wireless Thermostat for Underfloor Heating with Remote Sensor and RF Switch Compatibility
The Heatmiser Slimline RF V3 White Wireless Thermostat provides flexible underfloor heating control with wireless compatibility, 7-day scheduling, and flush-mounted design.
- All prices include VAT
- Estimated Delivery: For most items (over 99% of our products), orders placed before 3pm on working days will be dispatched the same day with our Fast DELIVERY 1st class service. For the rare items not immediately in stock, dispatch may take 1-3 working days after receiving your order. If your order cannot be dispatched the same day, we will notify you via email.
- For boilers: We aim to dispatch on the next working day. However, in some cases, it may take 2-3 working days to dispatch. Rest assured, we will always strive for the fastest possible turnaround.
The Heatmiser Slimline RF V3 White is a versatile wireless digital thermostat designed for effortless control of underfloor heating systems. Powered by 2 AAA batteries, it offers wire-free installation and communicates seamlessly with Heatmiser RF-Switch and UH8-RF wiring centres for a truly smart heating solution.
The thermostat features 7-day programmable scheduling, holiday mode, and frost protection, giving users complete control over comfort and energy savings. Its backlit LCD display ensures visibility in all lighting conditions, while the Key Lock Plus prevents unauthorized setting changes.
Designed with flexible placement in mind, the Slimline RF V3 can be installed anywhere in the home, ideal for retrofits or where wall cabling isn’t feasible. The wireless signal range reaches up to 100 meters in open space, or 50–75 meters indoors, and can be extended with the Heatmiser Boost device for larger homes.
Also supporting remote sensor connectivity, the Slimline RF V3 provides advanced control precision, all within a flush-mounted, sleek white design that complements modern interiors.
Key Features
Wireless Control – Works with Heatmiser RF-Switch and UH8-RF centres
7-Day Scheduling – Fully customizable daily programming
Frost Protection – Maintains minimum safe temperature automatically
Holiday Function – Saves energy while you’re away
Hold Function – Temporarily maintain a desired temperature
Key Lock Plus – Prevents unauthorized changes to settings
Backlit LCD Display – Clear visibility in any lighting
Wireless Fail-Safe Protection – Ensures heating continues if signal is lost
Flexible Placement – Battery powered for wall-free installation
Wireless Range – Up to 100m open air, 50–75m indoors (extendable with Boost)
Remote Sensor Compatible – Supports optional external probe for temperature precision
Flush Mounting – Slim, modern look to blend into any room
Applications
Wireless Underfloor Heating Control – Ideal for smart UFH systems without wall wiring
Retrofitting Older Homes – Easily install where cabling isn’t practical
Multi-Zone Smart Homes – Pair with UH8-RF and RF Switch for full home integration
Technical Specifications:
| Feature | Details |
|---|---|
| Brand | Heatmiser |
| Product Name | Heatmiser Slimline RF V3 White Multi-Mode Wireless Thermostat |
| Power Supply | 2 x AAA batteries |
| Control Type | Wireless |
| Operating Modes | Thermostat or Timer |
| Temperature Range | 5°C – 35°C |
| Range | 100 meters (open space), 50–75 meters (indoors) |
| Display | Backlit LCD display |
| Dimensions | 99x86x15mm (L x H x D) |
| Colour | White |
| Mounting Type | Flush-mounted |
| Compatibility | Heatmiser UH8-RF, RF Switch, Boost |
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