Bell & Gossett 189172LF 3.80″ NORYL Impeller (Series PL-55/PL-55B)
Bell & Gossett noryl (non-ferrous) construction impeller, with a 3.8″ outside diameter, for B&G series PL pumps, specifically models PL-55 and PL-55B. Impellers are installed on the end of the pump shaft, which spins the impeller in turn pumping water, or other liquid, throughout your system.