Quick Summary
HTW-HT09-16A1 is an electrical underfloor heating thermostat designed for electric floor heating systems. It uses line voltage output terminals to control heating load directly. The thermostat supports internal and external temperature sensing. This electrical underfloor heating thermostat ensures stable and safe floor heating control.
This page explains how the electrical underfloor heating thermostat works in real projects. It covers control logic, wiring reference and key technical parameters. Model configuration meaning and project customisation options are also included. Typical installation questions and practical application guidance are provided.
Key Features
(This section explains the core control functions and their practical value.)
01. Direct Electric Heating Control
The electrical underfloor heating thermostat uses line voltage output terminals. It directly switches electric heating cables or mats. This simplifies wiring structure in residential floor heating installations. We have another realted model HTW-HT09-16A1 which with Tuya WiFi function.
02. Dual Sensor Temperature Monitoring
The thermostat supports both internal and external temperature sensors. This allows accurate room and floor temperature control. It helps prevent overheating and protects heating system components.
03. Clear VA Screen Display
The VA screen provides clear temperature and status information. Users can easily read settings under different lighting conditions. This improves daily operation and basic adjustment experience.
Product Design and Display
(This section shows the product’s dimensions and the interface layout.)
Technical Specifications
(This section lists the key parameters for reference and project confirmation.)
| Parameter | Value |
|---|---|
| Power Supply | 100~240Vac |
| Frequency | 50/60Hz |
| Accuracy | ±0.5°C or ±1°F |
| Sensor | NTC3950, 10K |
| Setpoint Range | 5~35°C |
| Display Range | 5~99°C |
| Installation | EU or Standard Electric Box Housing |
| Material | PC + ABS (Fireproof), IP20 |
Wiring Diagram
(This section provides the wiring reference diagram for correct installation.)
Model Code Guide
(This section explains what configuration the model code refers to.)
| Heating series | xx stands for |
|---|---|
| 16A | Electric Underfloor Heating, with L+N line voltage output terminals + External Sensor |
| 1 | 1 = Standalone |
| 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 thermostat is not suitable for water heating or boiler systems. It does not support valve control or dry contact switching. Projects requiring mixed heating systems should use dedicated thermostat models.
The product is not designed for industrial BMS integration. It does not support Modbus or BACnet communication. Large building automation systems require communication-enabled thermostats.
Despite these limits mentioned above, functional adjustments may still be discussed. Control behaviour or interface settings may be modified based on project needs. However, all changes depend on technical feasibility and order quantity. OEM services such as logo printing and packaging customisation are supported.
Certificates and Compliance
Certification documents for Swan Controls thermostats
Swan Controls presenting thermostats at an international HVAC exhibition
Frequently Asked Questions
Can this electrical underfloor heating thermostat work with all electric heating systems?
Yes. It supports direct line voltage control. This makes it suitable for most electric floor heating cable or mat installations.
How does the external sensor improve heating control?
The external sensor measures floor temperature directly. It helps prevent overheating and improves system safety during long heating operation periods.
Does this thermostat support communication protocols like Modbus?
No. This model works as a standalone controller. Projects requiring system integration should choose thermostats with communication functions.
What is the minimum order quantity and can samples be provided?
Thermostat samples are available for testing. The usual minimum order quantity is about 300 units, though smaller trial quantities may be discussed.
How can I place an order?
Please contact us to confirm requirements. A proforma invoice will be provided. Payment methods include TT, PayPal and Visa, with EXW, FOB or DAP terms.
How will the products be shipped?
Express delivery is usually recommended and takes about seven days. Air freight is similar, while sea freight typically requires about one month depending on destination.
Need Support?
If you need help selecting an electrical underfloor heating thermostat, please contact us. Our team can support your project planning and application requirements. You can refer to below links:
Electric Underfloor Heating Thermostat
Water Underfloor Heating Thermostat
Final Note / Practical Takeaway:This electrical underfloor heating thermostat provides stable and direct heating control. It is suitable for indoor projects requiring simple, reliable and efficient floor heating management. [More models: heating thermostat]
