Quick Summary
The HTW-31-WKT13-WF-H/C is designed for wireless control in indoor HVAC systems. It supports both heating and cooling modes. The thermostat uses battery power and connects to a receiver. It provides stable temperature control without complex wiring.
This Room Heating Thermostat is suitable for residential projects that need flexible control and easy installation. This Room Heating Thermostat supports programmable scheduling and wireless connection. It helps improve comfort and reduce manual work. The sections below show key functions and main parameters clearly.

Key Features
These functions support flexible control and simple use.
(01) Large backlit display
The display is large and easy to read. The backlight supports use in low light. This Room Heating Thermostat improves daily operation.
(02) Battery-powered transmitter
The thermostat uses 2 × AA batteries. No wiring is required. This thermostat is easy to install in different rooms.
(03) Programmable control
The thermostat supports daily scheduling. Users can set different temperature periods. This thermostat helps manage energy use.
(04) Selectable wireless frequency
It supports 433MHz and 868MHz. Users can select based on the environment. This thermostat improves signal stability.
(05) Voltage-free receiver output
The receiver uses dry contact (NO/NC). It supports safe system connection. This thermostat fits different systems.
(06) Heating and cooling mode
The thermostat supports both heating and cooling. It can switch modes easily. This thermostat is suitable for year-round use. 

Product Design and Display
The design is simple and modern. It uses a white housing. The interface is clear and easy to understand. This thermostat is suitable for daily use.

Technical Specifications
Key parameters are listed below for installation and system matching.
| Parameter | Value |
|---|---|
| Thermostat Power | 2 × AA 1.5V batteries |
| Receiver Power | 230VAC, 50/60Hz |
| Load Capacity | 250VAC / 10A |
| Temperature Range | 5–30°C (0.5°C step) |
| Accuracy | ±0.5°C |
| Frequency | 868MHz (433MHz selectable) |
| Receiver Contacts | NO / NC |
| Protection Level | IP20 |
| Thermostat Size | 135 × 87.5 × 23.2 mm |
| Receiver Size | 86 × 86 mm |
| Memory | EEPROM backup |
| Colour | White |
| Warranty | 2 Years |
Wiring and Installation
The thermostat connects wirelessly to the receiver. The receiver connects to the HVAC system. It uses voltage-free contacts. This Room Heating Thermostat reduces wiring work and simplifies installation.

Project Fit & Customization
This model is suitable for residential HVAC systems. It supports both heating and cooling. This thermostat is useful for retrofit projects.
Some functions can be adjusted. Frequency and control settings can be configured. This thermostat supports flexible use.
OEM support is available. Logo, colour, and packaging can be customised. This thermostat can match different markets.
Certifications and Compliance
The thermostat meets common safety standards. It supports stable operation. This thermostat is suitable for long-term use.

Exhibition Moments
The product is shown in exhibitions. This helps improve design and use. This thermostat is used in many projects.

Frequently Asked Questions
Q1: Does it support both heating and cooling?
Yes, it supports both modes. This Room Heating Thermostat works in HVAC systems. if you need learn more products, please check here: HTW-31-WKT13-WF
Q2: Is it programmable?
Yes, it supports scheduling. This Room Heating Thermostat allows automatic control.
Q3: Is it easy to install?
Yes, it is wireless. This Room Heating Thermostat reduces wiring work.
Q4: Does it support electric and water systems?
Yes, it supports both. This Room Heating Thermostat is flexible.
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?
Contact us for PI. Payment supports TT and PayPal. Shipping supports EXW, FOB, and DAP.
Q7: How long is the lead time?
Samples take about 7 days. Custom orders take 3–5 weeks. Bulk orders need about one month.
Q8: What shipping options 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 choose the right thermostat.
Related Thermostat Models
More product details, please click directly:
Water Underfloor Heating Thermostat
Flexible control and dual mode operation are important in HVAC systems. This Room Heating Thermostat supports both heating and cooling. It helps improve comfort and simplify installation.






