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Tuya Water heater switch, White, 20A/40A, No neutral wire Smart WiFi Switch for Water Heater
Features
- Works without neutral wire
- Compatible with LED lamps when capacitor installed
- Voice control via Alexa and Google
- Timer function for scheduling
- Wi-Fi frequency 2.4 GHz
- Touch panel with glass surface
General specs
- Brand: Tuya
- Seller: Joom
- ID: 68ca90097f63c7010a5e899c
- Gang: 1
- Features: Scheduling
- Material: Plastic
- Max Current: 20, 40
- Connectivity: Wi-Fi
- Neutral Wire: Required
- Power Source: Hardwired
- Control Method: App, Touch, Voice
- OS Compatibility: Android, iOS
- Smart Home Ecosystem: Amazon Alexa, Google Assistant, Tuya
- Switch Configuration: Single Pole
- Light Type Compatibility: LED
- First listed by seller: November 15, 2025
If you are interested in more details, you can find full information on the seller's page.
RUB 1,390.00
Last price update: 10/25/26
Available to order
Price History for seller Joom
Shipping options
Delivery to 
Russia
Russia
Available
This smart Wi-Fi water heater switch is for the homeowner who wants to save energy and gain control over their hot water usage. While it enhances home automation, its real value is in giving you peace of mind by preventing unnecessary heating when you're away.
Install it easily without a neutral wire, and use the timer to schedule heating only when needed—like turning it on an hour before you wake up. The touch panel feels smooth and responsive, and the backlight clearly shows if it's on or off. Control it remotely via the app or with voice commands through Alexa, so you can adjust settings from anywhere without a second thought.
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| Brand | Tuya | MoesGo | MOES | MoesGo | LOUYSGEN | Lesim |
| Model | WS-US4-RFW-MG | WRS-USD-WH-MS | DS-122 | LG JWBlack23 | MNTK-44846 | |
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| Rating |
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| Price | RUB 1,390.00 | RUB 1,628.12 | RUB 2,245.98 | RUB 4,653.25 | RUB 801.62 | RUB 3,810.70 |
| Seller | Joom | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Aug 30, 2026 | May 29, 2026 | Jun 24, 2026 | Jun 24, 2026 | May 15, 2026 | Jun 24, 2026 |
| Gang | 1 | 4 | 1 | 4 | 3 | 3 |
| Features | Scheduling | Scheduling | Scene Control, Scheduling | Scheduling | Scene Control, Scheduling | Scene Control, Scheduling |
| Material | Plastic | Glass | Tempered Glass | Glass, Tempered Glass | Tempered Glass | |
| Connectivity | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi |
| Neutral Wire | Required | Required | Required | Required | Required | |
| Power Source | Hardwired | Hardwired | Hardwired | Hardwired | ||
| Control Method | App, Touch, Voice | App, Manual, Touch, Voice | App, Manual, Touch, Voice | App, Touch, Voice | App, Touch, Voice | Touch, Voice, App |
| OS Compatibility | Android, iOS | Android, iOS | Android, iOS | Android, iOS | Android, iOS | |
| Smart Home Ecosystem | Amazon Alexa, Google Assistant, Tuya | Amazon Alexa, Google Assistant, Smart Life, Tuya | Amazon Alexa, Google Assistant, Smart Life, Tuya | Amazon Alexa, Google Assistant, Smart Life, Tuya | Amazon Alexa, Tuya | Amazon Alexa, Google Assistant |
| Switch Configuration | Single Pole | 2-Way | 2-Way, Single Pole | Single Pole | 2-Way | Single Pole |
| Light Type Compatibility | LED | LED | LED | LED | LED | |
| Dimensions | 73.91, 38.1, 0 | 121.92, 55.88, 0 | 72, 118, 34 | |||
| Wireless Frequency | 2.4 GHz | 433 MHz | 2.4 GHz | 2.4 GHz | 2.4 GHz | |
Smart WiFi Switch for Water Heater White Works without neutral wire
RUB 1,390.00
When this device makes sense
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