Can I connect the TRVZB heating thermostat without a gateway?. The TRVZB thermostat fits existing "M30 x 1.5 mm" radiator valves. Enjoy more functions of the radiator thermostat valve via the eWeLink APP, it requires a Sonoff Zigbee 3.0 hub, such as ZBBridge-P, ZBBridge-U, NSPanel Pro, iHost, and more.
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