Description
The Bell & Gossett 101003 is a 1-1/4″ Standard Flange set designed for use with Bell & Gossett circulator pumps in hydronic heating and cooling systems. Engineered to deliver a secure, leak-free connection between the circulator pump and the piping system, these flanges are a trusted replacement and maintenance solution for residential and light commercial hydronic applications.
Product Overview
Bell & Gossett flanges are manufactured to precise tolerances to ensure compatibility with Bell & Gossett Series 100 and related circulator pumps. Sold as one complete set, the 101003 simplifies maintenance and pump replacement by providing the correct mating flanges in a single package.
Key Features
- 1-1/4″ standard pipe connection size
- Sold as one complete flange set
- Designed for use with Bell & Gossett circulator pumps
- Provides a secure, leak-free hydronic connection
- Ideal for residential and light commercial hydronic heating and cooling systems
- Genuine Bell & Gossett replacement part for reliable, long-lasting performance
Applications
- Hydronic heating systems
- Chilled water cooling systems
- Circulator pump installation and replacement
- Boiler and radiant heating piping connections
Why Choose Bell & Gossett?
Bell & Gossett is a globally recognized leader in hydronic system components, trusted by HVAC professionals for decades. Using genuine OEM flanges like the 101003 ensures proper fit, system integrity, and long-term reliability in your hydronic installation.







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