556x167 fan blade for 5HP heat pump water heater,22' fan 1. Propeller fan blades 2. Heater fan impeller 3. ... fan 556x167 fan blade for 5HP heat pump water heater,22' fan Outer Diameter: 556mmHeight:167mmShaft hole diameter:15mm or customers ... time. 556x167 fan blade for 5HP heat pump water heater,22' fan