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Armstrong - Circulator Pump Noryl Impeller 4.75" Diameter (816304 321K)

Replacement Noryl impeller with a 4.75-inch diameter for S-55 circulator pumps. Designed for Armstrong S-55 and compatible bearing assemblies, this impeller delivers reliable operation and straightforward installation in HVAC and industrial systems.

Replacement Noryl impeller with a 4.75-inch diameter for S-55 circulator pumps. Designed for Armstrong S-55 and compatible bearing assemblies, this impeller delivers reliable operation and straightforward installation in HVAC and industrial systems.

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