No C Wire Options
Compare no-C-wire smart thermostats by power method: included adapters and extenders, battery power, and the line-voltage systems to rule out.
| This model | Recommendations | |||||
|---|---|---|---|---|---|---|
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Tuya ZigBee Works with Alexa and Google Home
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MOES WHT S02 App remote control via MOES App
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Thermostatic Radiator Valve with LCD Display Zigbee 3.0 technology for smart home integration
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Smart WiFi Thermostat for Water and Electric Heating
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MOES ZHT S03
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Smart Thermostat Black WiFi connectivity for remote smartphone control
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| Brand | Tuya | MOES | eWeLink | MOES | Marhynchus | |
| Model | ZigBee | WHT S02 | SDM5 | ZHT S03 | ||
| Price | €23.01 | €23.01 | €22.16 | €17.04 | €23.01 | €36.02 |
| Seller | Banggood | Banggood | Banggood | Banggood | Banggood | Retailer |
| Update | May 9, 2026 | May 9, 2026 | May 9, 2026 | May 9, 2026 | May 9, 2026 | May 19, 2026 |
| Power Consumption | 170uW | 1.5W | 1W | |||
| Temperature Sensor Type | NTC | NTC3950 10K | NTC | |||
| Compatibility | Electric Heating, Water Heating, Water Gas Boiler | Water Heating, Electric Heating | Boiler Heating | |||
| Temperature Accuracy | ±1.8°F (±1°C) | ±0.9°F | ±1.8°F | ±1.8°F | ||
| Display Temperature Range | 41°F to 158°F (5°C to 70°C) | 32-158°F | 32°F to 122°F | |||
| Display Type | LCD Touchscreen | LED | Large Display | |||