Quick Summary
The HTW-ECB6-3A WiFi Water Heating Thermostat is designed for hydronic floor heating systems. It controls heating valves through NC, NO and COM relay outputs. The thermostat uses WiFi connection with Tuya APP for remote control. It supports wide voltage input and stable temperature regulation.
This page explains the functions, wiring logic, and key technical parameters. It also outlines installation notes and model code meaning. Project configuration and OEM options are briefly introduced. Typical project questions and answers are also included.
Key Functional Highlights
(This section explains the core control functions and their practical value.)
1. Hydronic Valve Output Control
The thermostat provides NC, NO and COM terminals for water heating valve control. This allows flexible wiring with common hydronic actuators. Stable relay switching ensures reliable temperature regulation in water heating systems.
2. WiFi Remote Control via Tuya Application
The WiFi Water Heating Thermostat connects to the Tuya mobile application. Users can monitor room temperature and adjust the setpoint remotely. This improves convenience for residential heating management and daily energy control. We have another model which HTW-ECB6-3A1 without WiFi function.
3. Accurate Temperature Sensing and Regulation
The thermostat uses an NTC3950 temperature sensor for stable sensing performance. Temperature control accuracy reaches ±0.5°C under normal conditions. This helps maintain steady indoor comfort in water floor heating systems.
4. Multilingual App and Wide Voltage Compatibility
The thermostat works with 95–240Vac power supply and standard 50/60Hz frequency. The mobile application supports seventeen mainstream languages. This simplifies project deployment in international residential and light commercial buildings.
Display
(This section shows the product’s dimensions and the interface layout.)
Specifications
(This section lists the key parameters for reference and project confirmation.)
| Parameter | Value |
|---|---|
| Power Supply | 95–240Vac |
| Frequency | 50/60Hz |
| Current Load | Fan Relay 5A (3A inductive); Valve Relay 3A (1A inductive) |
| Accuracy | ±0.5°C or ±1°F |
| Sensor | NTC3950, 10K |
| Storage Temp. | -5~45°C |
| Setpoint Range | 5~35°C |
| Protection Class | IP20 |
Wiring
(This section provides the wiring reference diagram for correct installation.)
Guide
(This section explains what configuration the model code refers to.)
| Heating series | xx stands for |
|---|---|
| 3A | Water Heating, with NC+NO+COM output terminals |
| 16A | Electric Underfloor Heating, with L+N line voltage output terminals + External Sensor |
| NV | Boiler Heating, with Non-Voltage Dry Contact |
| 1 / 3 | 1 = Standalone, 3 = Wi-Fi |
| Example HTW-WF11-xx: if xx = 16A3, it stands for electric floor heating with external sensor support and Wi-Fi function. Most sub-models are ready-made. Kindly contact us to confirm availability. | |
Project Fit & Customization
(This section explains where the product can be used, its limits, and OEM/ODM options.)
This WiFi Water Heating Thermostat is designed for hydronic heating control only. It is not suitable for high current electric floor heating loads. Standalone models cannot connect to building management systems. The device also does not support Modbus communication or advanced HVAC integration platforms.
Despite these limits mentioned above, functional adjustment is still possible. ODM level customisation can be discussed for specific projects. Communication protocol or control logic can be evaluated together with project engineers. Final feasibility depends on system requirements and production confirmation.
OEM cooperation is also available for project deployment. This may include logo printing on the front panel. Housing colour or packaging label can also be customised. Branding details can be adjusted according to batch requirements.
Certifications
Exhibition Moments
Frequently Asked Questions
Q1. What heating system is this thermostat designed for?
This WiFi Water Heating Thermostat is designed for hydronic floor heating systems. It controls thermal actuators or valves using relay outputs.
Q2. Can the thermostat be installed in a standard wall box?
Yes. The thermostat supports installation in EU or standard electrical wall boxes. This simplifies installation in most residential and hotel projects.
Q3. Does the thermostat support mobile control?
Yes. The WiFi Water Heating Thermostat connects to the Tuya mobile application. Users can adjust temperature and monitor heating status remotely.
Q4. What is the minimum order quantity and can I request samples?
Thermostat samples are available for evaluation. The usual minimum order quantity is around 300 units, but smaller trial quantities can also be discussed.
Q5. How can I place an order?
Please contact our sales team to confirm your requirements. We will issue a proforma invoice. Payment supports TT, PayPal, Visa, and terms like EXW, FOB, or DAP.
Q6. What shipping methods are available?
Express courier delivery is usually recommended and takes about seven days. Air freight takes similar time, while sea freight normally requires more than one month.
Need Support?
If you need help selecting the correct WiFi Water Heating Thermostat for your project, please contact us. Our team can assist with configuration confirmation and application guidance.
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