The HT-66 is an elegant glass-surface smart thermostat designed specifically for water floor heating systems. Combining a sleek, modern aesthetic with high-definition LCD screen visibility, it provides precise 3A temperature control for gas boilers and water valves. With multi-protocol support (WiFi/Zigbee), 7-day flexible scheduling, and full OEM/ODM customization capabilities, it is the perfect climate control solution for modern homes and HVAC system integrators
The HT-66 is a high-precision programmable thermostat designed to optimize energy efficiency in water underfloor heating systems. By accurately sensing indoor air temperatures, it provides seamless climate management for gas boilers and water valves. Known as a setback or clock thermostat, it allows users to customize heating schedules to meet specific comfort needs while reducing energy waste.
The HT-66 is equipped with a comprehensive suite of features designed for modern home automation and reliability:
Intuitive Control: Features a high-quality LCD display with white backlight for clear visibility.
Energy-Saving Logic: Includes Auto, Manual, and Economy modes, plus open window detection to prevent unnecessary heating.
Flexible Scheduling: Supports 7-day, 4-period programming to match your daily lifestyle.
Safety & Durability: Built-in frost protection, high-temperature protection, and child lock functionality ensure long-term system integrity.
Smart Connectivity: Integrated WiFi control allows for remote operation via smartphone App from anywhere, anytime.
The HT-66 offers versatile installation options to suit various heating configurations:
Type B (Voltage-free output): Ideal for gas boiler or air-to-water heat pump control.
Type C (230Vac output): Optimized for water valve control within water underfloor heating systems.
System Integration: Can be seamlessly combined with our multizone wiring centres for comprehensive home climate management.
Manufacturing Trust & Certifications
ISO Certified Production: Every HT-66 unit is manufactured in an ISO 9001:2015 and ISO 14001:2015 certified facility.
Compliance Standards: Fully certified with CE (RED/EMC/LVD), RoHS, and FCC marks for global market access.
OEM Experience: Backed by E-TOP Controls, a professional manufacturer with over 20 years of experience (since 2003) in ODM/OEM services.
| Display | LCD display |
| Protocol | WiFi (Tuya/Smart Life) or Zigbee (Optional) |
| Power Supply | 230Vac，50/60Hz |
| Set Temp. Range | 5~35 ℃ |
| Ambient Temp. | 0~50 ℃ |
| Relative Humidity | 85% |
| Accuracy | ±0.5 ℃ |
| Backlight | White/Black |
| Sensor | NTC 10K |
| Programmability | 7 days 4 periods ( Customizable) |
| Optional Function | Clock, Keycard, External Sensor etc. |
| Protection Class | IP30 |
| Max Load | 3A |
| Material | ABS+PC (Rohs certificated) |
| Certificate | CE (RED/EMC/LVD), UKCA, FCC, ETL Listed, RoHS, REACH, ISO9001:2015, ISO14001:2015 |
| Housing | ABS to UL94-5 fire retardant plastic |
| Installation | Flush-mounted (Standard 86x86mm junction box) |
| Output Type | Relay (Dry contact) or 230Vac (Optional) |
| 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) |
A: Yes. E-TOP has been a professional ODM & OEM thermostat manufacturer since 2003, providing high-quality and reliable climate control solutions for global markets.
A: Yes. The HT-66 is a smart thermostat that supports remote control via smartphone apps. The WiFi version connects directly to your router, while the Zigbee version requires a Zigbee gateway to connect to your smart home system. It is fully compatible with both Android and iOS devices.
A: Yes. This model is designed for modern smart homes and fully supports voice control integration with Amazon Alexa and Google Assistant.
Q4: Can I add my brand logo to the HT-66 thermostat?
A: Yes, we offer professional OEM services. Brand logo customization is free of charge for orders that meet our MOQ of 500 units.
A: Yes, we provide customized packaging services. This service is available for orders with a minimum quantity of 1,000 units.
A: We are committed to efficient delivery: sample orders are prepared within 3 working days, and mass production orders are typically completed within 25 days.
A: The HT-66 features a standard flush-mount design (86x86mm junction box). While installation is straightforward, we recommend a certified electrician handle the wiring to ensure safety, especially when connecting to high-voltage equipment.
Q8: What is the warranty period for this product?
A: We stand by the durability and quality of our products and provide a standard 1-year warranty on all units.
The HT-66 is an elegant glass-surface smart thermostat designed specifically for water floor heating systems. Combining a sleek, modern aesthetic with high-definition LCD screen visibility, it provides precise 3A temperature control for gas boilers and water valves. With multi-protocol support (WiFi/Zigbee), 7-day flexible scheduling, and full OEM/ODM customization capabilities, it is the perfect climate control solution for modern homes and HVAC system integrators Item No.:HT-66 ( Water Heating System) Material: Environmental ABS flame-retardant casing. Display: High-definition LCD screen. Operating Modes: Flexible control including Manual, Economy, and PRG (Programmable) modes. System Compatibility: Designed for water heating systems (3A load). Smart Scheduling: 7-day fully programmable with 4 flexible periods per day. Features: Integrated real-time clock display. Dimensions: Standard 868616mm flush-mount design. Safety: Built-in Frost Guard protection. Compliance: Fully CE and RoHS certified.
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The HT-66 is an elegant glass-surface smart thermostat designed specifically for water floor heating systems. Combining a sleek, modern aesthetic with high-definition LCD screen visibility, it provides precise 3A temperature control for gas boilers and water valves. With multi-protocol support (WiFi/Zigbee), 7-day flexible scheduling, and full OEM/ODM customization capabilities, it is the perfect climate control solution for modern homes and HVAC system integrators Item No.:HT-66 ( Water Heating System) Material: Environmental ABS flame-retardant casing. Display: High-definition LCD screen. Operating Modes: Flexible control including Manual, Economy, and PRG (Programmable) modes. System Compatibility: Designed for water heating systems (3A load). Smart Scheduling: 7-day fully programmable with 4 flexible periods per day. Features: Integrated real-time clock display. Dimensions: Standard 868616mm flush-mount design. Safety: Built-in Frost Guard protection. Compliance: Fully CE and RoHS certified.
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The HT-66 is an elegant glass-surface smart thermostat designed specifically for water floor heating systems. Combining a sleek, modern aesthetic with high-definition LCD screen visibility, it provides precise 3A temperature control for gas boilers and water valves. With multi-protocol support (WiFi/Zigbee), 7-day flexible scheduling, and full OEM/ODM customization capabilities, it is the perfect climate control solution for modern homes and HVAC system integrators Item No.:HT-66 ( Water Heating System) Material: Environmental ABS flame-retardant casing. Display: High-definition LCD screen. Operating Modes: Flexible control including Manual, Economy, and PRG (Programmable) modes. System Compatibility: Designed for water heating systems (3A load). Smart Scheduling: 7-day fully programmable with 4 flexible periods per day. Features: Integrated real-time clock display. Dimensions: Standard 868616mm flush-mount design. Safety: Built-in Frost Guard protection. Compliance: Fully CE and RoHS certified.
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The HT-66 is an elegant glass-surface smart thermostat designed specifically for water floor heating systems. Combining a sleek, modern aesthetic with high-definition LCD screen visibility, it provides precise 3A temperature control for gas boilers and water valves. With multi-protocol support (WiFi/Zigbee), 7-day flexible scheduling, and full OEM/ODM customization capabilities, it is the perfect climate control solution for modern homes and HVAC system integrators Item No.:HT-66 ( Water Heating System) Material: Environmental ABS flame-retardant casing. Display: High-definition LCD screen. Operating Modes: Flexible control including Manual, Economy, and PRG (Programmable) modes. System Compatibility: Designed for water heating systems (3A load). Smart Scheduling: 7-day fully programmable with 4 flexible periods per day. Features: Integrated real-time clock display. Dimensions: Standard 868616mm flush-mount design. Safety: Built-in Frost Guard protection. Compliance: Fully CE and RoHS certified.
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The HT-66 is an elegant glass-surface smart thermostat designed specifically for water floor heating systems. Combining a sleek, modern aesthetic with high-definition LCD screen visibility, it provides precise 3A temperature control for gas boilers and water valves. With multi-protocol support (WiFi/Zigbee), 7-day flexible scheduling, and full OEM/ODM customization capabilities, it is the perfect climate control solution for modern homes and HVAC system integrators Item No.:HT-66 ( Water Heating System) Material: Environmental ABS flame-retardant casing. Display: High-definition LCD screen. Operating Modes: Flexible control including Manual, Economy, and PRG (Programmable) modes. System Compatibility: Designed for water heating systems (3A load). Smart Scheduling: 7-day fully programmable with 4 flexible periods per day. Features: Integrated real-time clock display. Dimensions: Standard 868616mm flush-mount design. Safety: Built-in Frost Guard protection. Compliance: Fully CE and RoHS certified.
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The HT-66 is an elegant glass-surface smart thermostat designed specifically for water floor heating systems. Combining a sleek, modern aesthetic with high-definition LCD screen visibility, it provides precise 3A temperature control for gas boilers and water valves. With multi-protocol support (WiFi/Zigbee), 7-day flexible scheduling, and full OEM/ODM customization capabilities, it is the perfect climate control solution for modern homes and HVAC system integrators Item No.:HT-66 ( Water Heating System) Material: Environmental ABS flame-retardant casing. Display: High-definition LCD screen. Operating Modes: Flexible control including Manual, Economy, and PRG (Programmable) modes. System Compatibility: Designed for water heating systems (3A load). Smart Scheduling: 7-day fully programmable with 4 flexible periods per day. Features: Integrated real-time clock display. Dimensions: Standard 868616mm flush-mount design. Safety: Built-in Frost Guard protection. Compliance: Fully CE and RoHS certified.
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The HT-66 is an elegant glass-surface smart thermostat designed specifically for water floor heating systems. Combining a sleek, modern aesthetic with high-definition LCD screen visibility, it provides precise 3A temperature control for gas boilers and water valves. With multi-protocol support (WiFi/Zigbee), 7-day flexible scheduling, and full OEM/ODM customization capabilities, it is the perfect climate control solution for modern homes and HVAC system integrators Item No.:HT-66 ( Water Heating System) Material: Environmental ABS flame-retardant casing. Display: High-definition LCD screen. Operating Modes: Flexible control including Manual, Economy, and PRG (Programmable) modes. System Compatibility: Designed for water heating systems (3A load). Smart Scheduling: 7-day fully programmable with 4 flexible periods per day. Features: Integrated real-time clock display. Dimensions: Standard 868616mm flush-mount design. Safety: Built-in Frost Guard protection. Compliance: Fully CE and RoHS certified.
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The HT-66 is an elegant glass-surface smart thermostat designed specifically for water floor heating systems. Combining a sleek, modern aesthetic with high-definition LCD screen visibility, it provides precise 3A temperature control for gas boilers and water valves. With multi-protocol support (WiFi/Zigbee), 7-day flexible scheduling, and full OEM/ODM customization capabilities, it is the perfect climate control solution for modern homes and HVAC system integrators Item No.:HT-66 ( Water Heating System) Material: Environmental ABS flame-retardant casing. Display: High-definition LCD screen. Operating Modes: Flexible control including Manual, Economy, and PRG (Programmable) modes. System Compatibility: Designed for water heating systems (3A load). Smart Scheduling: 7-day fully programmable with 4 flexible periods per day. Features: Integrated real-time clock display. Dimensions: Standard 868616mm flush-mount design. Safety: Built-in Frost Guard protection. Compliance: Fully CE and RoHS certified.
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The HT-66 is an elegant glass-surface smart thermostat designed specifically for water floor heating systems. Combining a sleek, modern aesthetic with high-definition LCD screen visibility, it provides precise 3A temperature control for gas boilers and water valves. With multi-protocol support (WiFi/Zigbee), 7-day flexible scheduling, and full OEM/ODM customization capabilities, it is the perfect climate control solution for modern homes and HVAC system integrators Item No.:HT-66 ( Water Heating System) Material: Environmental ABS flame-retardant casing. Display: High-definition LCD screen. Operating Modes: Flexible control including Manual, Economy, and PRG (Programmable) modes. System Compatibility: Designed for water heating systems (3A load). Smart Scheduling: 7-day fully programmable with 4 flexible periods per day. Features: Integrated real-time clock display. Dimensions: Standard 868616mm flush-mount design. Safety: Built-in Frost Guard protection. Compliance: Fully CE and RoHS certified.
Learn More
The HT-66 is an elegant glass-surface smart thermostat designed specifically for water floor heating systems. Combining a sleek, modern aesthetic with high-definition LCD screen visibility, it provides precise 3A temperature control for gas boilers and water valves. With multi-protocol support (WiFi/Zigbee), 7-day flexible scheduling, and full OEM/ODM customization capabilities, it is the perfect climate control solution for modern homes and HVAC system integrators Item No.:HT-66 ( Water Heating System) Material: Environmental ABS flame-retardant casing. Display: High-definition LCD screen. Operating Modes: Flexible control including Manual, Economy, and PRG (Programmable) modes. System Compatibility: Designed for water heating systems (3A load). Smart Scheduling: 7-day fully programmable with 4 flexible periods per day. Features: Integrated real-time clock display. Dimensions: Standard 868616mm flush-mount design. Safety: Built-in Frost Guard protection. Compliance: Fully CE and RoHS certified.
Learn More
The HT-66 is an elegant glass-surface smart thermostat designed specifically for water floor heating systems. Combining a sleek, modern aesthetic with high-definition LCD screen visibility, it provides precise 3A temperature control for gas boilers and water valves. With multi-protocol support (WiFi/Zigbee), 7-day flexible scheduling, and full OEM/ODM customization capabilities, it is the perfect climate control solution for modern homes and HVAC system integrators Item No.:HT-66 ( Water Heating System) Material: Environmental ABS flame-retardant casing. Display: High-definition LCD screen. Operating Modes: Flexible control including Manual, Economy, and PRG (Programmable) modes. System Compatibility: Designed for water heating systems (3A load). Smart Scheduling: 7-day fully programmable with 4 flexible periods per day. Features: Integrated real-time clock display. Dimensions: Standard 868616mm flush-mount design. Safety: Built-in Frost Guard protection. Compliance: Fully CE and RoHS certified.
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Address:No.6 of Tong'an Industrial Park, Meixi Rd,Tong'an District, Xiamen China 361100
Phone:+86 0592 6155792
Email:info@etopcontrols.com
