Description
Bell & Gossett 186861LF Seal Kit Overview
The Bell & Gossett 186861LF is a factory-engineered replacement seal kit designed to restore the mechanical integrity of Bell & Gossett Series 100 and compatible hydronic circulating pumps. Featuring a #10 seal configuration with a 1-1/4″ shaft size, EPT (Ethylene Propylene Terpolymer) elastomer construction, and bronze-fitted components, this kit delivers dependable, long-lasting sealing performance in closed-loop hydronic heating and cooling systems.
Key Features
- OEM Bell & Gossett replacement seal kit — ensures proper fit and performance
- Seal number: #10, designed for Bell & Gossett Series 100 and compatible pump models
- Shaft size: 1-1/4″ for precise dimensional compatibility
- EPT (Ethylene Propylene Terpolymer) elastomer — excellent resistance to hot water, glycol solutions, and common hydronic system fluids
- Bronze-fitted construction — corrosion-resistant materials suited for wet hydronic environments
- Restores pump seal integrity and prevents leakage around the shaft
- Simplifies maintenance with all necessary sealing components included in one kit
Applications
- Hydronic heating and cooling circulating pump maintenance
- Closed-loop hot water and chilled water systems
- Glycol-based hydronic systems
- Commercial and residential boiler pump service and repair
Why Choose Bell & Gossett Seal Kits
Bell & Gossett, an Xylem brand, is a trusted leader in hydronic system components. Using genuine OEM seal kits like the 186861LF ensures compatibility, reduces downtime, and extends the service life of your circulating pump — protecting your investment and keeping your hydronic system running efficiently.







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