Our Products EC Radial Blowers EC Radial Blowers, also named Condensing boiler fans, are mainly used for floor-stand condensing boilers or water steam boilers.Product FeaturesImproved efficiency and housing/impeller design through unsteady CFDOver-voltage/reverse polarity/integrated locked-rotor and thermal overload protectionInfinitely variable speed controlOptional control signal: PWM/0-10VEMC immunity to interference FE 175 200kW FE 170-410 Max. 350kW FE 170H-410 Max. 400kW FE 170H-800 Max. 500kW FE 250-1150 Max. 810kW FE 250-1500 Max. 870kW FE 250-2400 Max. 1084kW FE 250-4000 Max. 1500kW FE175 FE170 FE250 Catalogue Download