HT-22B Tuya Zigbee Smart Thermostat for Gas Boiler & Water Heating

The HT-22B is a professional-grade Tuya Zigbee programmable thermostat engineered for precise temperature management in residential and commercial heating systems. Featuring a modern LED touch display, this intelligent controller provides seamless integration with the Tuya Smart Life ecosystem. It is the ideal solution for HVAC distributors and installers looking for a reliable, energy-efficient control unit.

Water floor heating control system with Tuya Zigbee thermostat

Key Features & Smart Capabilities

Zigbee 3.0 Connectivity: Delivers ultra-stable communication and lower power consumption. (Note: A Tuya Zigbee Gateway is required for App and voice control).
Dual Application Design: Perfectly configured as a thermostat for gas boiler systems (volt-free dry contact) and water floor heating zone valves (3A max load).
Sleek LED Thermostat Display: The 86x86mm square design features a responsive, high-contrast LED touch screen for intuitive manual operation and clear temperature readings.
7-Day Programmable Scheduling: Maximize energy efficiency with flexible 5+2, 6+1, or 7-day programming, allowing up to 4 distinct time and temperature periods per day.

Smart Heating Controller HT-22B Automatically Stops Heating When Window Open

E-Top Zigbee Heating Controller with Child Lock to Prevent Error Operation

Voice & Remote App Control

Manage your home climate from anywhere. When paired with a Tuya Zigbee Hub, this zigbee floor heating thermostat seamlessly connects to the Smart Life App. It offers effortless hands-free voice control and is fully compatible with Amazon Alexa and Google Assistant, ensuring a truly smart home experience.

Zigbee 3.0 Smart Heating Controller HT-22B Manufacturer E-Top Controls

Wiring Guide & Technical Specifications

Designed for straightforward installation by HVAC professionals, the HT-22B fits neatly into standard 86mm square cassettes or 60mm European round boxes.

HT-22B Zigbee Smart Thermostat Display Icons and Symbols

How to wire a Zigbee boiler thermostat for underfloor heating control

Power Supply: 90-240V AC, 50/60Hz

Max Current Load: 3A (Water Heating / Gas Boiler)

Relay Type: Dry Contact (Volt-free) for gas boiler control

Sensor: Internal NTC sensor (External floor sensor optional)

Accuracy: ±0.5°C precise temperature control

Dimensions: 86 x 86 x 15.5 mm

Professional OEM/ODM Solutions for B2B Clients

As a leading thermostat manufacturer, E-TOP provides comprehensive tailored solutions for global HVAC distributors, wholesalers, and smart home system integrators. We ensure strict quality control and offer flexible customization services including custom branding, tailored packaging, firmware customization, and bulk order manufacturing.

Product Overview Video

Watch the quick demonstration to see the HT-22B led thermostat in action, showcasing its sleek interface and operating modes.

Technical Specifications

Display	LED display
Protocol	Tuya Zigbee 3.0
Power Supply	230Vac, 50/60Hz
Set Temp. Range	5~35 °C
Ambient Temp.	0~50 °C
Relative Humidity	85%
Accuracy	±0.5 °C
Backlight	White/Black
Sensor	NTC 10K
Programmability	7 days 4 periods (Customizable)
Optional Function	Clock, External Sensor, etc.
Protection Class	IP30
Max Load	3A (Dry Contact / Volt-free for gas boiler)
Material	ABS+PC (RoHS certified)
Certificate	CE (RED/EMC/LVD), UKCA, FCC, ETL Listed, RoHS, REACH, ISO9001:2015, ISO14001:2015
CRA Compliance	Compliant with EU Cyber Resilience Act
Housing	ABS to UL94-5 fire retardant plastic
OEM & ODM	1. Customized logo and package
	2. Customized software (change to customer's user interface and control logic)
	3. Customized hardware (change the PCB and schematic based on the request

Dimensions

Installation

HT-22B Zigbee Smart Thermostat Installation Steps

Frequently Asked Questions (FAQ)

Q1: Are you a professional thermostat manufacturer?

A: Yes. E-Top (ETOP) is a leading professional ODM & OEM smart thermostat manufacturer in Xiamen, China, with over 20 years of expertise (since 2003) in HVAC control solutions.

Q2: Can I customize my brand logo on the HT-22B thermostats?

A: Absolutely. As a source factory, we provide custom logo printing services. For orders reaching an MOQ of 500pcs, this OEM service is provided free of charge to help build your local brand.

Q3: Do you offer customized packaging for bulk orders?

A: Yes, we support customized packaging boxes with your unique design. The MOQ for custom packaging is 1000pcs, ensuring a professional retail look for your heating market.

Q4: What is the lead time for HT-22B thermostat orders?

A: We ensure fast delivery: 3 working days for samples and approximately 25 days for mass production orders.

Q5: What is the warranty period for E-Top thermostats?

A: We stand behind our quality with a 1-year warranty. Our products, including the HT-22B gas boiler thermostat, are CE and RoHS approved for reliable performance.

Q6: Does the HT-22B use Zigbee or Wi-Fi smart control?

A: The HT-22B is strictly a Zigbee 3.0 smart thermostat (a Tuya Zigbee gateway is required). It offers highly stable, low-power Smart Life/Tuya App control for both Android and iOS, allowing for remote temperature management.

Q7: Is it compatible with voice assistants like Amazon Alexa and Google Assistant?

A: Yes. When connected to a Zigbee gateway, the HT-22B is fully compatible with Amazon Alexa and Google Assistant, enabling hands-free voice control for gas boiler and underfloor heating systems.

Hot Tags : Zigbee 3.0 heating controller Tuya floor heating stat Wireless boiler switch Smart home HVAC asset Volt-free boiler switch Thermostat OEM factory

Leave a message

If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.