ARMSTRONG Impeller: 874058-045K, Bronze

The ARMSTRONG Impeller 874058-045K is a bronze impeller designed for circulator pumps in HVAC and industrial fluid-handling systems. It moves water or compatible fluids through closed-loop heating, cooling, or process circuits. This impeller is a direct replacement for models using Grainger Part Number 32UM83 and Manufacturer Model Number 116475-132.

The ARMSTRONG Impeller 874058-045K has a 6.5-inch diameter and is made of bronze. It includes the impeller only, with no additional mounting hardware. The manufacturer part number is 874058-045K, and it is compatible with Grainger Part Number 32UM83 and Manufacturer Model Number 116475-132.

3G Electric supplies the ARMSTRONG Impeller 874058-045K to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this bronze impeller for circulator pumps to any international destination.

To install the ARMSTRONG Impeller 874058-045K, first isolate power and drain the circulator pump. Remove the pump housing and old impeller, then clean the shaft and seal area. Press the new bronze impeller onto the shaft, ensuring it seats fully. Reassemble the housing, refill the system, and check for leaks before restoring power.