Smart Water Heating Thermostat (0.1℃) | Tuya WIFI, Boiler/Actuator OEM

SAS965WHL-7-WIFI(TY)

4-Inch Smart Water Heating Thermostat

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0.1℃Ultra Precision: Eliminates △T fluctuations for comfort.

Multi-Mode Control: Supports Room, Floor, or Dual-Sensor modes.

Tuya Smart Link: WIFI via Tuya APP for remote control & sync.

7-Day Programming: 6 periods/copy function for 15%＋energy savings.

Actuator Ready: Compatible with Boilers, Actuators, and centralized systems.

HD Color Screen: 4-inch IPS, highly responsive display in low temp.

Home Product Residential Thermostats Hydronic Thermostats

Product Feature

The SAS965WHL-7-WIFI is a premium 4-inch Smart Water Heating Thermostat with Tuya WIFI for seamless remote control. Its exceptional 0.1℃ precision ensures comfort, supported by 7-Day programming and anti-freeze protection. Compatible with Boilers and Actuators, the unit offers flexible Dual-Sensor, Room, or Floor control modes. This is the ultimate intelligent solution for maximizing convenience and energy efficiency in residential and commercial water heating infrastructures.

Key Functions

Remote Smart Control

Tuya APP enables remote start/stop, temperature adjustment, and status sync.
Programming Management

Features 3-period ON/OFF timers + 3-period target temperature settings for custom operation schedules.
Multi-Mode Adaptation

Room, Floor, and Dual-Sensor modes for flexible control of diverse systems.

Comfort Auxiliary

Pre-heating, 3-level screen brightness, Child Lock, and Mute mode for versatile use.
Fault & Safety Alarm

Quick fault information retrieval via a dedicated alarm icon, facilitating rapid troubleshooting for after-sales service.
Power-off Memory

Automatically retains all settings and operating modes after power interruption.

Product Selector

Model No.

Heat/cool

Heat only

Pipe

Speed fan

Programmable

Window card

Room card

External Sensor

Modbus RTU

WIFI

Power

Manual

SAS965WHL-7-WIFI(TY)

√

220VAC

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Product Parameters

Power source: AC100~240V，50/60Hz

Current temperature display range: 0℃~50℃

Floor temperature display range: 0℃~70℃ (NTC external sensor measuring range)

Current temperature setting range: 5℃~70℃

External sensor control range/Floor temperature protection range: 5℃~70℃

Accuracy: 0.1℃

External sensor: NTC 10K / NTC 100K

Storage temperature range: -20℃~70℃; 5~95% (no condensation)

Network frequency: 2.4GHz WIFI

Screen: 4-inch IPS screen, capacitive touch screen (71.86* 67.96mm, 480*480)

Dimensions: 86x86x12mm

IP Rating: IP21

Rapid programming

Supports programming via the device or APP settings.
Optimum start function

It heats for you according to your personal schedule. For great evening and days ahead.
Not warm enough?

When you feel house is not enough warm, it could activate boost to heat with option from 1-12 hours.
Voice remote control

Work with Amazon Alexa and Google assistant.

Super-slim design

With a thickness of only 10 mm, the ultra-thin design and 4-inch color display make it even more appealing。

Easy to maintain and install

Diverse and dynamic UI option

Take full control of your user experience with our extensive UI customization features. Whether you prefer a clean, minimal look or a bold, vibrant style, our flexible design tools let you tailor every detail to reflect your personal taste. From color schemes and icon styles to layout arrangements and animations — every element is yours to customize. Create a unique, personalized interface that not only looks the way you want, but also works the way you need. It’s your space. Make it yours.