Description
The Armstrong Fluid Technology 816304-051 is a 4.75-inch bronze impeller designed as an OEM replacement component for compatible Armstrong circulator pump assemblies. This impeller is responsible for transferring energy from the motor to the fluid, enabling efficient circulation in hydronic heating and cooling systems. Constructed from bronze, it offers strong corrosion resistance and durability in closed-loop water and glycol applications. It is commonly installed during pump repair or rebuild procedures to restore proper flow performance and system efficiency.
Key Features
- 4.75" diameter for compatible circulator models
- Provides efficient fluid movement in hydronic systems
- Bronze construction for corrosion resistance and durability
- Suitable for water and glycol-based HVAC applications
- Helps restore proper flow rate and system performance







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