Bell & Gossett Series 2-1/2 Three-Piece Booster Pumps

Three-Piece Booster Pump Performance for Higher Flow and Head Requirements

Bell & Gossett Series 2-1/2 three-piece booster pumps are designed for applications that require higher flow rates and increased head pressure. Built for dependable operation, compact installation, and easier service, these pumps are a strong choice for hydronic heating and cooling systems, domestic water, industrial applications, and general service use.

The three-piece configuration provides complete field repairability while maintaining a compact pump design. This makes maintenance more convenient and helps reduce downtime when service is required. Each Bell & Gossett booster pump is equipped with a Bell & Gossett manufactured motor, engineered for quiet, efficient, and reliable operation.

Available in iron or bronze body construction, Series 2-1/2 booster pumps can be selected based on system requirements and fluid compatibility. Bronze body construction is recommended for potable water applications.

Product Features

Designed for applications requiring higher flow and head pressures
Maximum capacities from 100 GPM to 150 GPM
Available in iron or bronze body construction
The three-piece configuration allows complete field repairability
Compact construction for easier installation
Bell & Gossett manufactured motor supports quiet and efficient operation
Designed for liquids compatible with iron or bronze pump construction
Bronze body construction is recommended for potable water applications
Motors with special electrical characteristics are available upon request

Operational Limits

• Maximum working pressure: 125 PSI
  
• Maximum operating temperature: 225°F
  
• Electrical ratings:
  
• 115/230V, 60 Hz, single phase
  
• 208-230/460V, 60 Hz, three phase
  
• 115V or 230V, 60 Hz, single phase for 1/4 HP models

Common Applications

• Hydronic heating systems
  
• Hydronic cooling systems
  
• Domestic water systems
  
• Industrial applications
  
• General service operations