Quick Summary
The HTW-WF71-703 is designed for indoor water heating systems in homes and light commercial spaces. It uses 3A output with NC, NO, and COM terminals to control heating equipment. The unit applies simple on/off control logic to manage room temperature. WiFi allows remote control through a mobile application.
This Smart Water Heating Thermostat is used in projects that need simple control and 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 stable operation and practical use in water heating systems.
(01) WiFi application control
WiFi allows users to adjust settings through a mobile app. This reduces manual operation on site. The Smart Water Heating Thermostat improves daily control efficiency.
(02) Water heating control output
The thermostat provides 3A output with NC, NO, and COM terminals. It supports common water heating systems. This setup ensures stable switching control.
(03) Programmable scheduling
Weekly programming allows automatic temperature adjustment during the day. This helps reduce energy use when rooms are not occupied. It also keeps indoor comfort stable.
(04) Multi-language app support
The app supports 17 mainstream languages. This makes operation easier in different regions. It improves user experience in global projects.
(05) Remote and flexible use
WiFi allows flexible control in daily use. This Smart Water Heating Thermostat helps users manage heating easily. It supports simple and practical operation.
Product Design and Display
The design is simple and suitable for wall mounting. The screen is clear and easy to read. 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 water heating systems. It uses NC, NO, and COM terminals for switching 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 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=703, it means water heating with WiFi |
Project Fit & Customization
This model is not suitable for systems that need high load control such as electric floor heating. It does not support modulating valve control or advanced PID logic. It may also not fit complex building control systems without protocol support.
Despite these limits, some functions can be adjusted. Communication options and control logic can be modified. Interface and sensor settings 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 related test requirements.
Exhibition Moments
Our team participates in international HVAC exhibitions and industry events.
Frequently Asked Questions
Q1: Can this thermostat be used for water heating systems?
Yes, it is designed for water heating systems. It uses NC, NO, and COM outputs. Please confirm wiring before installation.
Q2: Does it support remote control?
Yes, WiFi allows app control. Users can adjust settings remotely. The Smart Water Heating Thermostat supports daily use.
Q3: Can it be used in residential projects?
Yes, it is suitable for homes and small commercial spaces. It fits common indoor environments. Installation is simple.
Q4: Does it support multiple languages?
Yes, the app supports 17 languages. This helps use in different regions. It improves user experience.
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.
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In heating projects, stable control and simple operation are important. This Smart Water Heating Thermostat provides reliable switching control and remote access. It helps improve system efficiency and supports comfortable indoor environments. Learned more Water Heating Thermostat
