... approved. 2. 3HP heat pump fan blades 556x167 fan blade for water heater heatpump,3HP fan impeller CW Outer Diameter: 556mmHeight:167mmShaft hole ... and other characteristics, it is air conditioner, air energy heatpump water heater, exhaust ventilation equipment, refrigerators/fridge and Freezer of important ... to contact with us at any time. 556x167 fan blade for water heater heatpump,3HP fan impeller