The Meross Smart Wi-Fi Thermostat (MTS200 / Water Heating & Boiler Variant) is an elegant, energy-efficient smart home solution engineered to give you full control over your home’s climate. Designed specifically for water heating, thermal actuator valves, and dry-contact gas/electric boiler systems, this thermostat modernizes your traditional heating setup into a highly responsive, automated environment.
Connecting directly to your local 2.4GHz Wi-Fi network without the need for a proprietary bridge or hub, the MTS200 integrates seamlessly into your preferred ecosystem. It offers native compatibility with Apple HomeKit, Amazon Alexa, Google Assistant, and Samsung SmartThings for intuitive voice control and robust whole-home automations.
The thermostat features a minimalist, sleek white LED touchscreen display covered by premium glass, designed to blend naturally into any interior décor while consuming less than 1 Watt of power. It utilizes a dual-sensor system—featuring a highly accurate internal ambient temperature sensor and an included external NTC 10KΩ wired floor probe—to prevent system overheating and ensure precise heat regulation within ±0.5°C.
Engineered with smart energy-saving logic, the MTS200 includes an intelligent Open Window Detection feature that pauses heating during sudden temperature drops to prevent waste, alongside a fully customizable 7×24 weekly schedule configurable through the Meross app. With built-in memory to safeguard your settings during power outages and a physical Child Lock, it offers premium convenience, ultimate safety, and significant savings on your utility bills.
| Product Type | Smart Wi-Fi Thermostat |
| Brand | Meross |
| Model | MTS200 (Water/Boiler Version) |
| System Compatibility | Water Underfloor Heating, Thermal Actuators, Dry-Contact Boilers |
| Power Supply | 100-250V~, 50/60Hz (Neutral Wire Required) |
| Maximum Load | 3A Max |
| Power Consumption | < 1W |
| Display Type | White LED Touchscreen Display with Glass Panel |
| Temperature Accuracy | ±0.5 °C |
| Temperature Range | 5°C to 35°C (Built-in 5°C Frost-Protection) |
| Sensor System | Dual Sensors (Internal Ambient Sensor + External NTC 10KΩ Floor Probe) |
| Smart Hub Requirements | Hub-Free (Connects Directly via Wi-Fi) |
| Wireless Connectivity | Wi-Fi 802.11 b/g/n, 2.4GHz Only |
| Ecosystem Integration | Apple HomeKit, Amazon Alexa, Google Assistant, Samsung SmartThings |
| Mobile App Support | Meross App (iOS & Android) for Advanced Calibration & Scheduling |
| Dimensions | 86 × 86 × 42 mm (Fits Standard 60mm Flush-Mount Electrical Boxes) |
| Special Features | Apple HomeKit Native, Open Window Detection, 7×24 Graph Scheduling, Child Lock Protection, Power-Off Configuration Memory, Overheat Safety Auto-Shutoff |
| Warranty | 1 Year Warranty Provided by 101 Multimedia |
| Works with | Alexa, Apple HomeKit, Google Assistant |
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