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About this item
• Supply: AC100- 240V
• Load Current: 16A
• Sensor: External Floor Sensor And Internal Air Sensor
• Connection: Wired
• Programmable: Daily Programmable
• Mounting Type: Flush Mounting
• Color: White
• Dimensions: 86x86x12 mm
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Technical Data
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TDR48 Underfloor Thermostat is applied in Electrical or Water or Gas Boiler Underfloor Heating System. TDR48-EP series thermostats are used to control 16A Electrical Floor Heating Elements.
Underlfloor heating is to use electricity or water to achieve room underfloor central heating, is a kind heating way of transferring energy into heat energy to directly release heat to meet the central heating demand. Thermostat is the switch to realize intelligent temperature control. It can freely adjust the indoor temperature, and can be set on or off according to user requirements for a variety of time and a variety of preset mode of automatic operation to adjust the room temperature, so that it reaches a comfortable temperature.






Adjustable Backlight
TDR48 series thermostat comes with three adjustable backlight levels (High, Medium, Low) that you can fine-tune anytime via the app. It also features an auto-dim function that turns off the backlight after 20 seconds of inactivity, balancing visibility with energy efficiency for a comfortable user experience day and night.

Power-Outage Proof
TDR48 series thermostat features blackout-proof memory technology, so all your temperature schedules and preferences are safely stored and instantly restored when power is restored. No more reconfiguring settings after an outage—your home comfort stays on track, uninterrupted.

Daily Programmable
TDR48 series thermostat lets you create 7 unique daily profiles for each day of the week, with up to 6 flexible time slots per day. You can easily set different temperatures for morning, noon, evening, and night, ensuring your home is always at the perfect temperature to match your routine.
1. Q: Can I install this thermostat by myself? Do I need to hire an electrician?
A: Regarding the installation of the thermostat, we first recommend that you operate in strict accordance with the steps in the product manual under the guidance of professionals to ensure standardized installation and stable subsequent operation of the device. If you choose to install it yourself, you must carefully read the manual in advance, fully master the installation process, wiring requirements and safety precautions before starting the operation, so as to avoid affecting the device's function or causing potential safety hazards due to improper operation.
2. Q: Why is the thermostat not turning on the heating?
A: First, check if the power supply is connected properly. Then, see if the set temperature is higher than the current room temperature (since the heating turns on when the room temp is lower than the set temp). Also, check if the thermostat is in the correct mode (heating mode).
3. Q: Can the thermostat be used with any electric heating system?
A: No. Different thermostats are compatible with different systems. For example, some are for electric floor heating, while others may be for other types. Make sure the thermostat matches your specific electric heating system (like heating cables, films, or mats for electric floor heating).
4. Q: How long is the product warranty period?
A: Our products come with a 2-year free warranty. If there is a quality issue (such as failure to turn on or unresponsive buttons) after you receive the goods, you can contact the after-sales customer service and provide the order number and photos of the problem. We will arrange for a replacement or repair.
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