Economical: no gas cylinder required. Easy to carry: thanks to its wheels and folding handle. Reduced freezing time: for faster intervention. Simple to use with the thermometer integrated to its freezing heads. The Siberia® allows radiators and valves to be replaced without emptying the water from the heating system. It quickly forms an ice plug in the pipe, without polluting the environment thanks to the effectiveness of R290 gas: environmentally friendlier than R404A refrigerant but without compromising on performance. A thermometer is integrated to the freezing heads to monitor the freezing process. Head integrated tightening screws for easier fastening. Technical features : Motor: 230V ~50Hz Refrigerating power: 309W at -25°C Protection rate: IP 20 Coolant: R290 55g