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.
eWeLink Thermostatic Radiator Valve with LCD Display
Product details
General specs
- Brand: eWeLink
Starting from €22.16
Last price update: 5/9/26
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| Brand | eWeLink | Sonoff | Sonoff | Tuya | Tuya | MOES |
| Model | TRVZB | TRVZB | ZG253 | ZG253 | ZTRV-S01 | |
| Price | €22.16 | €21.31 | €82.70 | €17.04 | €16.19 | €22.16 |
| Seller | Banggood | Banggood | Banggood | Banggood | Banggood | Banggood |
| Update | May 9, 2026 | May 9, 2026 | May 9, 2026 | May 9, 2026 | May 9, 2026 | May 9, 2026 |
| Power Source | 2x AA alkaline batteries (3V, not included) | Battery Powered | Battery Powered | 2 AA batteries | 2 AA batteries | |
| Temperature Accuracy | ±0.9°F | ±0.9°F | 0.9°F | |||
| Voice Assistant Compatibility | Amazon Alexa, Google Home | Alexa, Google Assistant | Alexa, Google Assistant | |||
| Package Contents | 4 x SONOFF TRVZB Smart Zigbee Thermostatic Radiator Valve, 4 x Quick Guide, 4 x Valve Adapter Set | 1 Tuya zigbe Smart Thermostat Radiator Valve, 6 adapters | 1 x Thermostat Valve, 6 x Adaptors, 1 x Manual | |||
| Protocol | Zigbee 3.0, Tuya | Zigbee 3.0 | ZigBee, Tuya | |||
