With over 10 million units sold, the Bell & Gossett Series 100 Inline Circulator Pump sets the standard for performance and reliability. The B&G Series 100 is the leader in residential hot water circulation. The three-piece oil lubricated design maintains its reputation as the Industry's rugged, dependable workhorse. The Series 100's intelligent design combined with efficient hydraulic performance also helps maintain low noise levels. Being the industry standard provides no shortage of maintenance advantages! You can replace just about any part on the Series 100 with ease – bearings, shaft and seals can all be repaired in the field.
B&G Motor - The heart of the Booster. The finest circulator motor available. Sleeve bearing, oil lubricated with replaceable motor mounts. B&G motors are designed and manufactured specifically for the B&G boosters.
Noise dampening coupler. B&G's own flexible spring design adds to the quiet operation. Do not accept a substitute.
Long bronze sleeve bearings maintain exact shaft alignment. Provides for constant circulation of oil over bearing surfaces.
Precision ground pump shaft is oversized to provide large bearing surfaces. Hardened integral thrust collar minimizes end-thrust to ensure long seal and bearing life.
The B&G mechanical seal is designed to withstand a wide range of water temperature pressures, additives and dissolved solids common in hydronic systems.
Centrifugal impeller prevents accumulation of air at seal faces to assure long life. Close impeller/body tolerances minimize water slippage and maximize efficiency.
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