HYSEN HY531 Smart WiFi Thermostat

The HYSEN HY531 is an ultra‑thin smart heating thermostat built for modern residential and light‑commercial HVAC applications. Featuring a 7‑mm slim tempered‑glass LED touch panel and swappable multi‑color side frames, it delivers customizable aesthetics to match diverse interior decoration styles.

With universal heating compatibility, this unit supports electric floor heating, water underfloor heating and gas boiler systems. 16A dry‑contact output removes the need to stock multiple separate thermostat models for different heating equipment, greatly simplifying inventory for installers and distributors.

Connected via WiFi, HY531 works with Tuya / Smart Life App for remote temperature adjustment, schedule setting and device sharing. It supports voice control by Amazon Alexa and Google Home for hands‑free operationhyseneco.r.... The 7‑day programmable function allows up to 6 temperature periods per day, balancing indoor comfort and energy‑saving performance.

Practical built‑in functions include child lock, power‑off memory, NTC high‑precision temperature sensing, multi‑language options. Powered by 90‑240V wide‑range AC input, it fits standard 86×86mm European wall boxes for quick installation, and has obtained CE, UKCA and REACH certifications for global market deployment.

Main Specifications

Power Supply: 90‑240V AC, 50/60Hz

Output: 16A dry contact

Display: Backlit LED touch tempered glass screen

Dimension: 86×86×7 mm

Sensor: 10K NTC temperature sensor

Connectivity: WiFi 2.4GHz, Tuya ecosystem compatible

Certifications: CE, UKCA, REACH