Smart Thermostat | Battery-powered | Relay 5A | ZigBee | TUYA

The thermostat can replace old battery models – no wall box required ✔️

Alternative to Salus thermostats – more functions and remote configuration options ✔️

Automation heating / not heating, works with other TUYA devices ✔️

✅ Control via TUYA app

✅ Alternative to Salus thermostats

✅ Relay option 5A – compatible with boiler, water heater, etc.

✅ Schedule programming 5+2 / 6+1 / 7 days, time cycles

✅ Hysteresis adjustment (0.5 °C ~ 10 °C)

✅ Temperature correction -9°C ~ +9°C

✅ ZigBee 3.0

✅ Anti-freeze function

✅ Child lock

✅ Temperature statistics and charts

✅ LED display with brightness adjustment

✅ Voice control (Alexa, Google Assistant)

✅ Sharing control with multiple users

✅ Modes: manual and automatic

ℹ️ Requires ZigBee gateway (available in our offer)

▶️ Heating management

Schedule for 5 working days (6 cycles) and weekend (2 cycles).

Adjust the temperature to your needs and create smart scenarios.

Control via app and device – change settings from anywhere.

Optimize heating costs by avoiding energy losses.

▶️ Upgrade your heating

Replace classic Salus thermostats with the smart TRZ089.

Control heating remotely, from any location, via the Tuya Smart app.

▶️ Control from anywhere

Lower the temperature when away, and heat your home before returning.

The Tuya Smart app allows for quick adjustment of settings.

ℹ️ Screens from TUYA app

▶️ Automation

Connect other smart devices and create scenarios in the TUYA app.

Ability to react to schedules, GPS location or weather.

Create your own automations without limits.

ℹ️ Wiring diagram

ℹ️ ZigBee protocol

Operates at 2.4 GHz, MESH technology – each L+N device boosts the signal. Reliable and fast connection (0.2 s).

WiFi: issues from 25 devices ❌

ZigBee: over 50 devices ✔️

Lower power consumption, longer battery life, and extended data history.

ℹ️ Dimensions

ℹ️ Specification

• App: TUYA Smart
• Communication: ZigBee 3.0
• Power supply: 2× AA batteries
• Max. load: 5 A
• Accuracy: ±0.5 °C
• Temperature range: 5–35 °C
• Operating temperature: 0–50 °C
• Protection: IP20
• Dimensions: 90×86×21 mm

ℹ️ Product code: TRZ089