Gas-Premix Heating System Condensing Gas Boilers Buner Cookers Parts D-RG138 220V 350W Blower Fan MotorRated voltage:220-230 VACFrequency :50/60HZRated voltage differ :200~277VPower enter :340W±10%Max Speed :9500+5%Airflow: 304/179 M3/H/CFMInput Current :2 Static Pressure :4100Pa +5%