Model: GND 304 Thermal power: 150 – 523 kW Fuel type: Dual-fuel (natural gas and diesel) Operation type: Two-stage (Two Stage) Combustion system: Stable combustion with high efficiency Warranty: 1 year Service: 10 years after-sales service Model: GND 304 Heat output: 150 – 523 kW Fuel type: Dual-fuel (natural gas and diesel) Operation type: Two-stage (Two Stage) Combustion system: Stable combustion with high efficiency Warranty: 1 year Service: 10 years after-sales service