Bell & Gossett P78523 pump impeller, a genuine OEM replacement part for select Bell & Gossett pumps. This impeller is designed for hydronic HVAC and plumbing systems, ensuring reliable fluid circulation. Constructed from durable materials for long service life.

Bell & Gossett bronze impeller for B&G Series 1531 pumps with 1-1/4" shafts, sizes 1-1/4 BB, 1-1/2 BB, and 1-1/2 BC. Also fits Series 1510 pumps, sizes 1-1/4 BB and 1-1/2 BB. Impeller diameter must be specified when ordered as this impeller is trimmable. Impeller diameter will be found on the pump's I.D. tag. Impellers are installed on the end of the pump shaft, which spins the impeller in turn pumping water, or other liquid, throughout your system.