Quick Summary
The HTW-WF01-FC-4W is designed for indoor fan coil unit systems in residential buildings. It supports a 4-pipe system with separate heating and cooling control. The thermostat controls fan operation and motorized valves. It keeps room temperature stable during daily use.
This Household Wifi Thermostat is suitable for projects that need remote control and flexible use. This Household Wifi Thermostat supports mobile app control and simple scheduling. It helps improve comfort and daily efficiency. The sections below show key functions and main parameters clearly.

Key Features
These functions support stable operation and practical HVAC control.
(01) White and black colour options
Two colour options are available. This helps match different room styles. This Household Wifi Thermostat fits modern home interiors.
(02) 4-pipe heating and cooling system
The thermostat supports a 4-pipe system. Heating and cooling run separately. This Household Wifi Thermostat is suitable for higher comfort needs.
(03) Fan coil and valve control
The thermostat controls fan coil units and two wired motorized valves. It manages heating and cooling output. This Household Wifi Thermostat keeps temperature stable.
(04) Programming function
The weekly schedule allows automatic control. It helps reduce energy use during idle time. This Household Wifi Thermostat improves efficiency.
(05) Wifi connection
Wifi allows remote control through a mobile app. Users can adjust settings anytime. This Household Wifi Thermostat improves convenience and control.

Product Design and Display
The design is simple and clean. It fits indoor wall installation. The interface is easy to read. Buttons are clear and responsive. This Household Wifi Thermostat is easy for daily use.

Technical Specifications
Key parameters are listed below for installation and system matching.
| Parameter | Value |
|---|---|
| Power Supply | 110–240VAC, 50/60Hz |
| Power Consumption | 5A |
| Set Range | 5–35°C |
| Accuracy | ±0.5°C or ±1°F |
| Installation | EU or Standard Electric Box |
| Protection Level | IP20 |
| Shell Material | PC+ABS (Fireproof) |
| Warranty | 2 Years |
Wiring Diagram
The wiring includes fan control and valve connections. It supports separate heating and cooling control. This Household Wifi Thermostat is easy to install and connect.

Model Code Guide
This section explains what each part of the model code means for system configuration.
| Fan coil series | xx stands for |
| 2 | 2-pipe fan coil system |
| 4 | 4-pipe fan coil system |
| W | WiFi |
| EC | EC fan 0-10V |
| B | BACnet |
| N | Modbus communication |
| K | Keycard |
| E | External sensor |
| M | 0-10V modulating valve |
| Example WF01-FC-XX | If XX=4, it means 4-pipe FCU thermostat (if you interested it, click directly) |
Project Fit & Customization
This model is suitable for residential HVAC systems with higher comfort needs. It supports separate heating and cooling control. This Household Wifi Thermostat is ideal for home use.
Some functions can be adjusted. Control logic and app interface can be modified. This Household Wifi Thermostat supports flexible project needs.
OEM support is available. Logo, colour, and packaging can be customised. This Household Wifi Thermostat can match different market requirements.
Certifications and Compliance
The thermostat meets common HVAC standards. It supports safe and stable operation. This Household Wifi Thermostat is suitable for long-term use.

Exhibition Moments
The product is shown in HVAC exhibitions. This helps improve design and application. This Household Wifi Thermostat is used in many projects.

Frequently Asked Questions
Q1: Does this thermostat support remote control?
Yes, it supports Wifi app control. This Household Wifi Thermostat allows remote operation.
Q2: Can it work with a 4-pipe system?
Yes, it supports 4-pipe systems. This Household Wifi Thermostat fits advanced setups.
Q3: Can it control fan and valves?
Yes, it controls fan coil units and valves. This Household Wifi Thermostat keeps temperature stable.
Q4: Does it support programming?
Yes, it supports weekly scheduling. This Household Wifi Thermostat helps manage temperature.
Q5: What is the MOQ and can I get samples?
MOQ is 300 units. Samples are available. Smaller orders can be discussed.
Q6: How to place an order and arrange shipping?
Contact us for PI. Payment supports TT and PayPal. Shipping supports EXW, FOB, and DAP.
Q7: How long does production take?
Samples take about 7 days. Custom orders take 3–5 weeks. Bulk orders need about one month.
Q8: What shipping methods are available?
Express takes about 7 days. Air is similar. Sea shipping takes about one month.
Need Support?
If you are selecting a model or planning a project, please contact us. We can help match the right thermostat.
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Final Note
Smart HVAC systems need flexible and stable control. This Smart Wifi Thermostat supports remote access and reliable operation. It helps improve comfort and supports efficient energy use.





