Description
EUROtronic Comet Zero Matter is an electronic radiator thermostat using Matter over Thread (version 1.3). It does not use Z-Wave, and its Thread radio must not be confused with Zigbee.
Manufacturer specifications
- Connection: Matter over Thread v1.3, 2.4 GHz
- Power: two 1.5 V AA batteries
- Valve thread: M30 × 1.5 mm; valve adapters supplied according to manufacturer package information
- Operating setpoint range: 8–28 °C
- Product dimensions: 60 × 65 × 85 mm (width × height × depth)
- Net mass: 162 g with batteries; shipping weight may differ
- Ingress protection: IP20
- Manufacturer product code: 700255
- ERLONSO SKU: EUR_COMETZERO
Compatibility and setup
Requires a compatible Matter controller and Thread border router; platform functionality depends on the relevant ecosystem version. Official Matter certification identifies Thread and Bluetooth as transport interfaces, not Z-Wave. Confirm your radiator valve adapter, border router, regional availability and final delivery before ordering.
Sources: EUROtronic official Comet Zero Matter technical data and Connectivity Standards Alliance certification.

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