Quick Summary
The HTW-WF17-NV Wifi Gas Boiler Heating Thermostat is designed for residential gas boiler systems. It uses dry contact control for safe operation. WiFi connection allows remote access and scheduling. Stable sensing and external sensor support help maintain consistent temperature and improve daily comfort.
This page explains how the Wifi Gas Boiler 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 Wifi Gas Boiler Heating Thermostat may also be discussed.

Key Features
(This section explains the main control functions and their value in heating systems.)
1. Gas Boiler Heating Control Output
The Wifi Gas Boiler Heating Thermostat provides 3A output for gas boiler systems. It uses dry contact switching. This ensures safe and reliable control.(Electric heating thermostat click here)
2. Non-Voltage Dry Contact Terminals
The thermostat includes one pair of dry contact terminals. It supports common boiler control wiring. This design fits different HVAC configurations.
3. TFT Color Knob Interface
The thermostat uses a TFT color knob screen. It provides clear display and simple operation. Users can adjust temperature easily.
4. Programmable Temperature Scheduling
The Wifi Gas Boiler Heating Thermostat supports daily programs. Users can define multiple time periods. Each period can have a different temperature setting.
5. Multi-Language App Support
The mobile application supports 47 languages. This improves usability for global users. It ensures easy operation in different regions.
6. External Sensor Protection
The thermostat supports connection with an external temperature sensor. The sensor continuously monitors the heating system temperature. This protection helps prevent overheating and ensures safe and stable operation.
7. Wifi Remote Control
The Wifi Gas Boiler Heating Thermostat connects to a mobile app. Users can control temperature remotely. This improves convenience and energy management.

Product Design and Display
(This section shows the product appearance and interface layout.)

Technical Specifications
(Key parameters for project confirmation.)
| Parameter | Value |
|---|---|
| Power Supply | 95~240Vac or 24V AC/DC |
| Output Load | 5A water/boiler; 16A electric heating |
| Built-in Sensor | NTC3950, 10K |
| Setpoint Range | 5–35°C |
| Installation | 86×86 mm or EU 60mm round box |
| Protection Class | IP20 |
| External Sensor | Supported |
| Warranty | 2 years |
Wiring Diagram
(This section provides wiring reference for installation.)

Model Code Guide
(This section explains what configuration the model code refers to.)
| Heating series | xx stands for |
|---|---|
| 5A | Water heating with relay output |
| 16A | Electric heating with line voltage output |
| NV | Gas boiler heating with dry contact |
| Example | WF17-NV supports gas boiler heating with WiFi control |
Project Fit & Customization
(This section explains usage and customization options.)
The Wifi Gas Boiler Heating Thermostat is designed for residential gas boiler systems. It supports stable control and remote operation. It fits modern smart home heating projects.
ODM cooperation can be discussed. Control logic and interface may be adjusted. Engineers review system requirements before confirmation.
OEM services are supported. Logo printing and packaging can be customised. This helps match different branding needs.
Certifications and Compliance
This thermostat complies with European market requirements and is supported by certifications such as CE, RoHS, LVD test reports, EMC test reports, etc

Exhibition Moments
Our team regularly participates in international HVAC exhibitions such as Febrava in Brazil, The Big 5 in Dubai, and ISK-SODEX in Turkey, etc
Swan Controls at international HVAC exhibitions.

Frequently Asked Questions
Q1. What systems can this Wifi Gas Boiler Heating Thermostat control?
It controls residential gas boiler systems using dry contact 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.
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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