SAS2024WHB-ZT3+GEM208

Gas boiler underfloor heating temperature control kit

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Comply with the 2023-2027 and EN12098-3 standards(French Energy Subsidy Policy)

Saves up to 40% on heating costs

Group control function and Zone controller controls the heating system

5 adjustment modes to meet comfort needs

99% compatibility with common radiator valve models

Remote control via "TuyaSmart"app and voice control

Home Product Residential Thermostats Boiler Thermostats

Product Description

The Smart Electric Heating Control System offers an advanced and energy-efficient solution for modern home heating. Fully compliant with the 2023–2027 French Energy Subsidy Policy and EN 12098-3 standards, it delivers precise temperature control, intelligent scheduling, and optimized energy management.

Product Selector

Model No.	Frequency	Ecogaz	ZIGBEE 2.0	APP	Power	Manual
SAS2024WHB-ZT3	2.4GHz	√	√	√	220VAC	download

Product Parameters

SAS2024WHB-ZT3

Supply Voltage: 100-240VAC 50/60Hz

Wireless protocol type: Tuya zigbee

Radio Frequency Range: 2.4GHz

Wireless transmit range: 30M in the open air

GEM208V

Power source: 2*AA 1.5V battery (LR6) (Don’t use the rechargeable battery)

Frequency: Zigbee 2.4GHz or RF 868MHz

Zigbee wireless transmit range: 30m in open air

RF wireless transmit range: 60m in open air

Connection: M30x1.5mm

GEM208S-TF

Power source: 2*AAA 1.5V batteries (LR03) (Don’t use the rechargeable battery)

Temperature setting accuracy: 0.5°C

Temperature display range: 0-50°C

Operation temperature range: 5-30°C

RF frequency: 868MHz

Sensor dimensions: φ53.6mm*12.7mm

Energy saving

The TRV complies with the French ECOGAZ Energy Subsidy Policy and is designed to achieve up to 40% energy savings through precise temperature control and intelligent heating management.
Support motor performance

Switch between modes effortlessly to create a more comfortable, and energy-effcient living environment.
Voice control

Compatible with amazon Alexa and Google assistant. Control your home thermostat with just your voice for maximum convenience.

One key control

One key to activate or turn off heating. Save time.

Working logic

Boiler output (ON): When one of valves under HEATING status, boiler thermostat turn ON and heating.

Boiler output (OFF): Only all valves stop heating, boiler thermostat output stop and turn OFF.

Smart features that make a difference

Designed for comfort, safety, and convenience at your fingertips.

Child lock function

The Child lock can be used to prevent others changing TRV setting.
Open window function

When open window, the room temperature drops by 6°C in 4 minutes, the device will forcefully stop heating. When the room temperature rises by 3°C again, the window opening function will be turned off.
Anti-scale function

Worried about the pipe scale for an empty home? In order to prevent scaling, TRV will automatically open the valve every two weeks and run for 30 seconds.