Smart WiFi Thermostat for Gas Boiler Systems Key benefits Remote control and monitoring: Adjust your heating from anywhere using the Smart Life / Tuya app to arrive to a comfortable home or check system status while away. Simple installation: Runs on three 1.5V batteries so no separate AC supply or extra wiring is required — ideal for retrofit installations or properties without a nearby power outlet. Precise, consistent comfort: Configurable temperature hysteresis and calibration let you eliminate temperature swings and maintain steady room conditions. Why customers need it Solves common thermostat problems by enabling remote access, reliable scheduling, and fine temperature control without re-wiring. Makes vacation homes, rentals, and older homes with gas boilers smarter and easier to manage. Reduces manual adjustments and improves comfort while supporting energy-conscious scheduling. Standout features App compatibility: Full remote access and control via Smart Life / Tuya app. Power: Battery operated using three 1.5V batteries for easy mounting and installation. Programming modes: Manual, Program, and Temporary Program modes for flexible control. Weekly scheduling: Choose 5+2, 6+1, or 7-day schedules with up to 6 time slots on weekdays and 2 time slots on rest days. Precise control and calibration: Temperature hysteresis adjustable from 0.5~10°C, minimum temperature setting of 0.5°C, wide control range 15~95°C, and room temperature display calibration from -9.9°C to 9.9°C. Practical applications Home arrival comfort: Turn on heating remotely so the house reaches your preferred temperature before you get home. Energy-aware scheduling: Program weekday and weekend schedules to reduce heating when the house is empty and ensure comfort when needed. Easy retrofit for gas boilers: Add smart control to existing gas boiler systems without running new power lines — suitable for apartments, older houses, holiday homes, and rental units. Technical highlights (concise) Compatibility: Smart Life / Tuya app Power: 3 × 1.5V batteries Modes: Manual, Program, Temporary Program Weekly schedule: 5+2, 6+1, 7-day options; up to 6 time slots weekdays, 2 on rest days Temperature hysteresis: 0.5~10°C (adjustable) Minimum temperature setpoint: 0.5°C Control range: 15~95°C Room temp calibration: -9.9°C to 9.9°C Compact, battery-powered design and app-based control make this thermostat a practical, low-effort upgrade for precise heating control on gas boiler systems.