Quick Summary
The HTW-WF71-716 is designed for indoor electric underfloor heating systems in homes and light commercial spaces. It controls heating loads up to 16A using direct L and N output terminals. The unit uses simple on/off control logic to manage floor temperature. WiFi allows remote control through a mobile application.
This Wifi Electric Underfloor Heating Thermostat is used in projects that need stable heating control and simple remote access. The page explains key functions, control logic, and main parameters in a clear way. It also helps users match the thermostat with system needs. Common questions and custom options are included for reference.

Key Features
These functions support safe and stable operation in electric underfloor heating systems.
(01) WiFi application control
WiFi allows users to adjust settings through a mobile app. This reduces manual work on site. The Wifi Electric Underfloor Heating Thermostat improves daily control efficiency.
(02) 16A electric heating control
The thermostat supports high load control for electric floor heating. It connects directly to L and N terminals. This setup fits most residential heating systems. (For water heating system, click here)
(03) Programmable scheduling
Weekly programming allows automatic temperature changes during the day. This helps reduce energy use when rooms are empty. It also keeps indoor comfort stable.
(04) Multi-language app support
The app supports 17 mainstream languages. This makes operation easy in different regions. It improves user experience in global projects.
(05) Internal and external sensor support
The built-in sensor measures room temperature. The external sensor monitors floor temperature. This Wifi Electric Underfloor Heating Thermostat helps prevent overheating and improves safety.

Product Design and Display
The design uses a simple knob for easy control. The interface is clear and easy to understand. It fits standard wall boxes and common indoor environments.


Technical Specifications
The table below shows key parameters for system selection and operation.
| Parameter | Value |
|---|---|
| Power Supply | 95–240Vac, 50/60Hz |
| Power Consumption | WiFi 3W Max |
| Temperature Range | 5–95°C (41–203°F) |
| Floor Limit | 20–90°C (68–194°F) |
| Control Deviation | 0.5–10°C (Factory +1°C) |
| Ambient Temperature | -5–50°C |
| Protection Level | IP20 |
| Warranty | 2 Years |
Wiring Diagram
The diagram shows typical wiring for electric underfloor heating systems. It uses L and N terminals for direct control.

Model Code Guide
The table below helps explain model configuration.
| Model | Application |
| 703 | Water Heating, NC/NO dual-output + Weekly programming+Wifi |
| 716 | Electric Underfloor Heating, Floor limit sensor + Weekly programming+WiFi |
| 723 | Gas Boiler Heating, Weekly programming+Potential-free output+Wifi |
| S | Rs485 Modbus |
| Example HTW-WF71-xx | If xx=716, it means Electric underfloor heating with WiFi |
Project Fit & Customization
This model is not suitable for systems that require modulating control. It does not support multi-stage heating or advanced PID logic. It may also not fit large systems requiring central control.
Despite these limits, some functions can be adjusted. Communication options and control logic can be modified. Sensor settings and interface options can also be discussed.
OEM support is available for branding and design updates. Logo printing, colour changes, and labels can be customised. Packaging and interface layout can also be adjusted.
Certifications and Compliance
The thermostat meets common European standards and test requirements.

Exhibition Moments
Our team participates in international HVAC exhibitions and industry events.

Frequently Asked Questions
Q1: Can this thermostat be used for electric floor heating?
Yes, it supports electric underfloor heating with 16A load. It connects directly to power lines. Please confirm wiring before installation.
Q2: Does it support external floor sensors?
Yes, it supports both internal and external sensors. The external sensor monitors floor temperature. This Wifi Electric Underfloor Heating Thermostat improves safety.
Q3: Does it support remote control?
Yes, WiFi allows app control. Users can adjust settings remotely. It is suitable for daily use.
Q4: Is it suitable for residential use?
Yes, it is designed for homes and light commercial spaces. It fits common indoor environments. Installation is simple.
Q5: What is the MOQ and can I get samples?
We support samples for testing. Standard MOQ is 300 units. Smaller quantities like 100 units can be discussed.
Q6: How to place an order and arrange shipping?
Contact us to confirm requirements and receive a PI. Payment supports TT, PayPal, and Visa. Shipping terms include EXW, FOB, and DAP.
Q7: How long does production take?
Non-custom samples ship within 7 days. Custom orders take about 3–5 weeks. Bulk orders around 300 units need about one month.
Q8: What shipping methods are available?
Express delivery takes about 7 days. Air freight is similar. Sea freight takes about one month depending on route.
Need Support?
If you are planning a project or selecting a model, please contact us. We can help review your system and suggest suitable options.
Related Thermostat Models
This section lists related thermostat models for different system types and integration needs, helping you choose a suitable option for your project.
Please click:
In heating projects, safe control and simple operation are important. This Wifi Electric Underfloor Heating Thermostat provides reliable heating control and remote access. It helps improve system efficiency and supports comfortable indoor environments. Learn more electric underfloor heating thermostats





