This Brass Impeller is Bell & Gossett Model #118665. It has an outside diameter of 3-1/2" and is designed for pumps in the PD pump series that were manufactured 1951-1976. Impellers are the part within a pump that spin and pump water or liquid throughout the system. They are installed on the end of the pump shaft. This impeller is constructed of steel.
EC Part Number: #67164
Manufacturer Number: 118665
Manufacturer: Bell & Gossett