A Proven Circulator Built for Quiet, Dependable Performance
The Bell & Gossett Series 100 has been a trusted standard in the circulator pump industry for decades. With more than 10 million units installed, it continues to be a reliable choice for hydronic heating and domestic hot water circulation applications.
Built with a three-piece, oil-lubricated design, the Series 100 is made for long service life and easy field maintenance. Key components—including the bearings, shaft, and seal—are contained in a serviceable assembly that can be repaired or replaced as needed, helping simplify upkeep and extend equipment performance.
The oil-lubricated motor is engineered specifically for the Series 100 and features resilient mounting for quiet, dependable operation with minimal annual lubrication. This thoughtful motor design, combined with strong hydraulic performance, helps reduce system-related noise caused by valves, fittings, or piping.
With standard UL and CSA listings, the Series 100 remains one of the most recognized and trusted circulators in the industry.
Product Features
- Three-piece, oil-lubricated design for reliable performance and easier service
- Serviceable bearing, shaft, and seal assembly can be repaired or replaced in the field
- Resilient motor mounting helps provide quiet, dependable operation
- Requires minimal annual lubrication
- Designed to help overcome system-related noise from valves, fittings, and piping
- Ideal for hydronic heating and domestic hot water circulation applications
- UL and CSA listed