Quick Summary
The HTW-WKT18-3A1 Wireless Heating Thermostat is designed for water heating systems. It uses wireless communication between panel and receiver. It supports stable 3A relay output and internal temperature sensing. This ensures reliable heating control and flexible installation without complex wiring.
This page explains how this Wireless Heating Thermostat works in practical projects. It covers control logic, wiring reference, and key parameters. It also includes installation considerations and common questions. Basic OEM and ODM options are included to support different project requirements.
Key Features
(This section explains the core control functions and their practical value.)
01 Wireless control structure
This Wireless Heating Thermostat uses a separate panel and receiver design. It removes the need for direct wiring. This reduces installation complexity and improves flexibility in retrofit and new building projects. If you need WiFi function, please refer to this link: HTW-WKT18-3A3.
02 Stable relay output for water heating
The receiver provides a 3A relay output for water heating systems. It ensures stable switching during operation. This improves system reliability and reduces risks of control failure in daily use.
03 Battery powered control panel
The panel operates using 2 AA batteries or USB power. It allows flexible placement without wiring limits. This is useful for installations where power access is limited or inconvenient.
04 Internal temperature sensing control
The wireless heating thermostat uses an internal NTC sensor for temperature measurement. It provides consistent readings for control logic. This supports stable temperature regulation in standard indoor environments.
Product Design and Display
(This section shows the product’s dimensions and the interface layout.)
The wireless heating thermostat features an LED display with capacitive touch buttons. The panel has a clean and simple design. The receiver is compact and wall-mounted. The overall structure supports easy installation and clear operation.
Technical Specifications
(This section lists the key parameters for reference and project confirmation.)
| Parameter | Value |
|---|---|
| Receiver Power Supply | 95~240V AC, 50/60Hz |
| Panel Power Supply | 2 × AA Battery / USB |
| Relay Load | 3A (water heating/boiler) |
| Accuracy | 0.5°C |
| Temperature Range | 5~35°C |
| Sensor | NTC3950, 10K |
| Ambient Condition | 0~45°C, 5~95% RH |
| Protection Class | IP20 |
Wiring Diagram
(This section provides the wiring reference diagram for correct installation.)
The receiver connects directly to the heating system using relay terminals. The panel communicates wirelessly with the receiver. Proper pairing ensures stable signal transmission and reliable heating control.
Model Code Guide
(This section explains what configuration the model code refers to.)
| Heating series | xx stands for |
|---|---|
| 3A | Water Heating, with NC+NO+COM output terminals |
| 16A | Electric Underfloor Heating, with L+N line voltage output terminals + External Sensor |
| NV | Boiler Heating, with Non-Voltage Dry Contact |
| 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 this wireless heating thermostat can be used, its limits, and OEM/ODM options.)
This wireless heating thermostat is not suitable for BMS integration projects. It does not support WiFi or remote control functions. It is also not suitable for electric floor heating or systems needing external sensors.
Despite these limits mentioned above, ODM customisation can be discussed. Control logic and internal settings may be adjusted. Interface or hardware changes can be evaluated. Final solutions depend on technical feasibility.
OEM customisation is supported for branding and packaging. This includes logo printing, colour options, and label design. Interface adjustments can also be discussed. These options help adapt the product to different markets.
Certificates and Compliance
Frequently Asked Questions
Q1. Can this wireless heating thermostat be used for water heating systems?
Yes, it is designed for water heating systems and provides stable relay output control through the receiver unit.
Q2. Does it require wiring between panel and receiver?
No, it uses wireless communication between the panel and receiver, simplifying installation and reducing wiring complexity.
Q3. Does it support remote control or WiFi?
No, this model is a standalone wireless thermostat without WiFi or mobile app control functionality.
Q4. What is the minimum order quantity and do you support samples?
We support sample orders. Standard MOQ is 300 units, but smaller trial quantities can be discussed based on project needs.
Q5. How can we place an order?
Please contact us to confirm requirements. We will provide a proforma invoice. Payment supports TT, PayPal, Visa, and terms like EXW, FOB, or DAP.
Q6. How will the products be shipped?
Express delivery is recommended and takes about 7 days. Air freight is similar. Sea shipping takes over one month depending on destination.
Related Thermostat Models
For projects requiring other models, please contact us for project advice and model selection support.
Wired Boiler Heating Thermostat
Water Underfloor Heating Thermostat
This Wireless Heating Thermostat is suitable for projects needing simple wireless installation and stable control. It is often used in residential heating systems. For smart control or BMS integration, other models should be selected. 【More models: heating thermostat】
