Painter Smart Knob Thermostat Water Heating Digital Temperature Voice Controller: Voice control with Amazon Alexa and Google Home
This smart thermostat is for homeowners who want precise control over their water heating system, like managing a boiler for consistent hot showers. While many focus on energy savings, it offers peace of mind by preventing scalding or freezing pipes with its accurate temperature settings.
You can set it to 40°C for a safe bath, and the NTC3950 sensor maintains it within half a degree. Use voice control with Alexa to adjust it hands-free while cooking, and the weekly schedule automates your routine without daily checks. The capacitive touch buttons respond smoothly, and the IP20 rating ensures durability in humid areas like basements.
Features
- WiFi connectivity for remote access via SmartLife app
- Weekly programmable schedule with 5+1+1 timing
- Digital temperature display with 1.32-inch TFT screen
- Capacitive touch buttons for easy operation
- Compatible with water heating, water, gas boiler, and electric heating systems
- Voice control with Amazon Alexa and Google Home
General specs
- Brand: Painter
- Seller: Joom
- ID: 68f886ae699b6101b317d4d0
- Voltage: 95, 240
- Material: Plastic
- Scheduling: Weekly
- Connectivity: Wi-Fi
- Display Type: LED
- Power Source: Hardwired
- Mounting Type: Wall Mount
- Control Methods: Rotary Knob, Voice
- OS Compatibility: Android, iOS
- Compatible Systems: Water Heating
- Smart Home Compatibility: Tuya
- First listed by seller: 12/6/25
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
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$70.45
Last price update: 12/6/25
Out of stock
Shipping options
Delivery to 
Russia
Russia
Available
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Smart Knob Thermostat Water Heating Digital Temperature Voice Controller Black
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| Brand | Painter | Tuya | Tuya | Pro DIY Tool | Tuya | HIMO Group |
| Model | ZWT198 | MH1823 | ZWT198 | |||
| Color |
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| Rating |
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| Price | $70.45 | $58.27 | $40.02 | $108.26 | $87.79 | $141.02 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | Feb 16, 2026 | Feb 16, 2026 | Feb 6, 2026 | Jan 15, 2026 | Feb 16, 2026 | Feb 16, 2026 |
| Material | Plastic | Plastic | Plastic | |||
| Scheduling | Weekly | Weekly | Weekly | |||
| Connectivity | Wi-Fi | Zigbee | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi |
| Power Source | Hardwired | AC Power | Hardwired | Hardwired | Hardwired | Battery |
| Mounting Type | Wall Mount | Wall Mount | Wall Mount | |||
| Control Methods | Rotary Knob, Voice | App | App, Voice | |||
| OS Compatibility | Android, iOS | Android, iOS | Android, iOS | |||
| Compatible Systems | Water Heating | Water Heating, Gas Boiler, Electric Boiler | Water Heating | Water Heating | ||
| Smart Home Compatibility | Tuya | Tuya | Google Assistant | Amazon Alexa, Google Assistant, Tuya, Yandex Alice | ||
| Required | Required | Required | ||||
Smart Knob Thermostat Water Heating Digital Temperature Voice Controller Black
$70.45
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