T19WHB Zigbee OpenTherm boiler thermostat for residential home heating applications

S/Y Plan Smart 2 Channel Boiler thermostat

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Key Functions

Precise Energy Control – OpenTherm modulation enabled.

UK System Ready – S/Y-Plan compatible.

Low-Power Mesh – Zigbee protocol.

Wireless Setup – Battery-powered, no wiring needed.

Flexible Placement – Wall-mountable or tabletop stand.

Unified Control – Single thermostat for whole-home heating.

Home Boiler Thermostats S/Y Plan Smart 2 Channel Boiler thermostat

Product Feature

T19XWHB for S Plan and Y Plan heating systems. Remote control central heating and hot water via Tuya/App for precise zoning and energy efficiency.

Product Selector

Model No.

Heat

Wired

Wireless

Zigbee

Programmable

WIFI

APP

Receiver

Gateway

Power

Manual

T19XWHB-7-RF-APP(TY)

√

Battery

download

T19XWHB-7(SL)

√

Battery

download

T19XWHB-7-RF(SL)

√

Battery

download

Product Parameters

T19XWHB-7-DF

Power source: 2 or 4*AAA batteries (LR03)

Temperature setting range: 5℃~35℃

Temperature accuracy: 0.1℃

Humidity range:90%

Temperature display accuracy: 0.1℃

Operation temperature range: 0℃~50℃

Frequency: 868MHz (Bidirectional FSK)

Dimensions:124*88*24.4mm

SAS2011DE

Power source: 100-240VAC 50/60Hz

Frequency : 868MHz

Ambient temperature transport: -10℃~60℃

Temperature setting range: 0℃~50℃

Wireless transmit range: Open distance 100m

Output: Load 250V/16A,1 open /1 closed passive linkage (10A)

Dimensions：86*86*24.4mm

Touch button

The touch buttons allow you to adjust temperature and set parameters easily.
7 days programming

Supports a schedule with four or six programming periods per day.

Smart features that make a difference

Featuring functions such as open-window detection, anti-freeze protection, and child lock for safer and smarter home heating。

Anti-freezing protection

If you leave home for long time. The thermostat will protect your home device or pipe from freezing by automatically.
Child lock

The Child lock can be used to prevent young children changing thermostat setting.
Open window function

When the room temperature drops by 1.5 degrees or more within 3 minutes, the window opening mode is automatically turned on and the heating is stopped.This stops unnecessary energy consumption and saves your money.