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Meet the AVATTO Tuya WiFi Smart Thermostat (ZWT198)—a battery-powered temperature controller designed specifically for water and gas boilers (dry contact). Built for smart home comfort, it gives you remote control through the Tuya / Smart Life app, voice control via Alexa and Google Home, and precise temperature management with programmable schedules. This WiFi thermostat is ideal for homes that want simple installation (no AC wiring), stable control, and customizable heating routines for better comfort and energy efficiency. 🌡️🏠📲
📶 WiFi Smart Control (No Hub Needed)
Connect directly to your WiFi network and control your boiler thermostat from anywhere:
✅ Adjust temperature remotely
✅ Switch modes instantly
✅ Create routines and schedules inside the Tuya / Smart Life app
Perfect for daily convenience, travel, and managing heating before you arrive home. 🚗✅
🗣️ Voice Control (Alexa / Google Home / Yandex Alice)
Control your heating hands-free:
🗣️ “Alexa, set the temperature to 24.”
🗣️ “Hey Google, turn on heating.”
Great for smart home scenes and effortless daily comfort. 🎙️🔥
🔋 Battery Powered (Easy Installation)
Powered by 3×AA batteries (4.5V), so you don’t need separate AC power wiring—making installation cleaner, faster, and ideal for many homes. ✅🔋🛠️
🧠 3 Smart Modes for Flexible Comfort
Choose the mode that matches your day:
✅ Manual Mode
✅ Program Mode
✅ Temporary Program Mode
Enjoy control when you need it, plus automation when you want it. 🔁🌡️
📅 Weekly Programmable Schedule (Energy-Smart Routines)
Set heating schedules for your lifestyle:
📌 5+2 / 6+1 / 7-day schedules
⏱️ 6 time slots on weekdays
⏱️ 2 time slots on rest days
Create different temperature settings across morning, day, evening, and night to reduce waste and boost comfort. 💡📉
🎛️ Precise Temperature Control + Calibration
Enjoy stable heating with smart tuning features:
✅ Temperature hysteresis: 0.5–10℃
✅ Min temperature setting: 0.5℃
✅ Upper/lower temperature limits: 15–95℃
✅ Temperature calibration: -9.9℃ to +9.9℃
This helps match displayed temperature to real room conditions for accurate comfort. ✅
🌙 Adjustable Backlight (Sleep-Friendly)
Adjust brightness or turn the backlight off to avoid disturbing sleep—ideal for bedrooms and quiet spaces. 😴✨
❄️ Anti-Frost Protection
If the boiler stays off for a long time, the thermostat can activate briefly to help prevent freezing issues—extra protection for colder seasons. ❄️🛡️
👶 Child Lock for Safety
Lock controls to prevent children from changing settings accidentally. 👨👩👧👦🔒
🏡 Family Share + Group Control
✅ Share control with family members
✅ Group control across rooms for special scenes
Perfect for building a connected smart home routine together. 🤝🏠
📦 What’s in the Box?
✅ AVATTO WiFi Smart Thermostat (ZWT198) ×1
✅ Installation Accessories ×1 set
✅ User Manual ×1
If you want a WiFi smart thermostat for gas/water boilers with battery-powered easy installation, weekly schedules, precise temperature control, and Alexa/Google voice control, the AVATTO ZWT198 is a smart, reliable upgrade for modern home heating. 🚀🌡️
