Quick Summary
The HTW-WF81-703 Smart Water Heating Thermostat is designed for residential water heating systems. It uses relay output control for stable operation. WiFi connection supports remote access and scheduling. The knob interface and negative screen provide simple control and clear visibility during daily use.
This page explains how the Smart Water Heating Thermostat works in HVAC systems. It introduces key functions, wiring reference, and technical parameters. Installation and application notes are included. OEM and ODM options for the Smart Water Heating Thermostat may also be discussed.
Key Functional Highlights
(This section explains the main control functions and their value in heating systems.)
1. Water Heating Control Output
The Smart Water Heating Thermostat provides 3A output. It controls water heating systems using relay signals. This supports stable heating operation.(more appearances design check here )
2. NC+NO+COM Relay Terminals
The thermostat includes NC, NO, and COM terminals. This allows flexible wiring. It supports common water heating system configurations.
3. Programmable Temperature Scheduling
The Smart Water Heating Thermostat supports daily scheduling. Users can set multiple time periods. Each period can have a different temperature level.
4. Multi-Language App Support
The mobile application supports 17 languages. This helps users in different regions. It improves usability and control.
5. Wifi Application Control
The Smart Water Heating Thermostat connects to a mobile app. Users can adjust temperature remotely. This improves convenience and energy management.
6. Knob Control with Negative Screen
The thermostat uses a knob interface with a negative display. This design provides simple operation. It also offers clear visibility in different lighting conditions.
Display
(The thermostat appearance and interface layout to fully grasp the display effect and performance of the thermostat in real-world use.)
Specifications
(Key parameters for project confirmation.)
| Parameter | Value |
|---|---|
| Power Supply | 95~240Vac, 50/60Hz |
| Power Consumption | Wifi 3W Max |
| Temperature Range | 5–95°C |
| Floor Limit Range | 20–90°C |
| Deviation | 0.5–10°C (Factory +1°C) |
| Ambient Temperature | -5–50°C |
| Protection Level | IP20 |
| Material | Anti-flammable PC |
| Warranty | 2 years |
Wiring
(Clear wiring references to help you complete the installation quickly and correctly)
Guide
(This section explains model code structure.)
| Heating series | xx stands for |
|---|---|
| 703 | Water heating with WiFi control and knob interface |
| 716 | Electric heating with line voltage output |
| 723 | Boiler heating with dry contact |
| 723S | Boiler heating with dry contact,Wi-fi, Modbus |
| Example | WF81-703 supports water heating with WiFi and knob control |
Project Fit & Customization
(This section explains usage and customization options.)
The Smart Water Heating Thermostat is designed for residential water heating systems. It supports stable control and remote operation. It fits modern smart home HVAC applications.
ODM cooperation can be discussed. Control logic and interface may be adjusted. Engineers will review system requirements before confirmation.
OEM services are supported. Logo printing and packaging can be customised. This helps match different branding projects.
Certifications
Certification documents for Swan Controls thermostats.
Exhibition Moments
Swan Controls at international HVAC exhibitions.
Frequently Asked Questions
Q1. What systems can this Smart Water Heating Thermostat control?
It controls residential water heating systems using relay output.
Q2. Does it support WiFi control?
Yes. Users can adjust temperature through a mobile app.
Q3. Does it support an external sensor?
Yes. The sensor helps prevent overheating and improves safety.
Q4. Is installation compatible with standard boxes?
Yes. It fits EU or standard electrical wall boxes.
Q5. What is the minimum order quantity?
MOQ is about 300 units. Samples are available.
Q6. How to place an order?
Contact us to confirm requirements. A proforma invoice will be provided.
Q7. How long is the lead time?
Standard models ship within 7 days. Custom orders take 3–5 weeks.
Q8. How are products shipped?
Shipping options include express, air freight, and sea freight.
Need Support?
Contact us for product selection and configuration advice.
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