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Electric Heater Smart Thermostat

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Application: for Electric Heater Smart Thermostat
Feature: Touch Screen, Wi-Fi function, Voice Control
Model: WE, WW, or LD optional
HY603WE for Electric heating 16A
HY603WW-1 for Water heating 3A
HY603LD for Gas boiler 3A

Production Introduction

HY603 Electric Heater Smart Thermostat 16A Smart Temperature Controller AC90‑240V Floor Heating Thermostat of WiFi Remote Control for Home,

Water/Electric Underfloor Heating Smart Tuya WiFi CE thermostat Hvac System or Gas Boiler Water Heating

Product Feature

【Energy saving and high performance】Your thermostat control 60% of your energy bill.
【WiFi Thermostat】 Flush mount. HY603 is a WiFi-enabled thermostat for electric/water underfloor heating (fully functional without Wi-Fi). WiFi connectivity provides easy access to the thermostat from your smartphone and compatibility with Alexa or Google Assistant. Output: current Imax 3A/16A. 90-240V AC power supply is required.
【App control】Simply connect to WiFi to remotely control your underfloor heating thermostat WiFi anytime from anywhere through your smartphone using the Smart Life/Tuya App. Make changes easily to your temperature settings, create a schedule, create a smart scene or share the device with your family on the App. 2.4GHz WiFi is required.
【Alexa/Google Assistant compatible】Link the smart thermostat underfloor heating to voice assistant devices like Alexa or Google Assistant to use simple voice commands to control the thermostat. Enjoy the hands-free convenience of controlling your home temperature by voice, for example, "Alexa, set the bedroom thermostat to 25 degrees."
【Weekly programming】The Hysen WiFi thermostat has a manual mode, program mode, and holiday mode. The program mode features 5/2-day, 6/1-day, and 7/0-day scheduling with 6 time periods per day, giving you the freedom to program your weekly schedule and helping save energy and costs on your energy bill.
【Open window detection & other functions】This smart thermostat can be configured to detect a rapid drop in room temperature(such as when a window is open) and automatically pause the heating to prevent energy wastage. More functions include temperature calibration, reset function, child lock, power-off data saving function, etc.

Product Application


Item Type: Temperature Controller
Material: ABS
Weight: Approx. 270g 
Power Supply: AC90-240V 50/60HZ
Temperature Display Range: 0-40℃
Accuracy: 0.5°C
Sensor: NTC (10K) 1%
Load Current: 16A


90-240Vac 50/60Hz


Tuya smart thermostat

Display accuracy:



5+2/6+1/ 7 days

Contact capacity:

3A(WW/LD); 16A(WE)

Limit temperature range:


Range of temperature adjustment:


Insulating condition:

Normal environment

Probe sensor:



Switch relay


recessed type (in the wall)



Electric Heater Smart Thermostat
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