Rotor/Impeller fits RO600C and RO600S water pumps. Replace if worn, broken or flow has slowed even after cleaning. Rotors lose up to 10% of their magnetic strength each year of operation.
rotor is the magnet part of the motor that spins. Attached to this is
the impeller which consists of blades that catch and pump the water out
of the filter and back to the tank. Over time the rotor magnet loses
magnetic strength and will exhibit trouble starting or the filter will
have reduced flow even after cleaning. Replace the unit if your filter
exhibits these symptoms or if the impeller blades break or separate from