Description
Bell & Gossett 118434LF — 3″ Full Runner Lead-Free Impeller
The Bell & Gossett 118434LF is a 3″ Full Runner lead-free replacement impeller engineered for use in Bell & Gossett hydronic circulator pumps. Designed to restore peak pump performance, this full-diameter impeller delivers maximum flow rate and head pressure without the need for trimming, making it the ideal choice for demanding hydronic heating and cooling systems.
Lead-Free Construction
Built to meet lead-free compliance standards, the 118434LF is safe for use in potable water and closed-loop hydronic systems where material safety is a priority. Its lead-free composition aligns with NSF/ANSI 61 and NSF/ANSI 372 requirements, giving contractors and building owners confidence in water quality and regulatory compliance.
Key Features
- 3″ Full Runner impeller for maximum flow and head performance
- Lead-free construction — compliant for potable water applications
- Direct OEM replacement for compatible Bell & Gossett circulator pumps
- Restores original pump efficiency and output
- Engineered for reliable, long-term service in hydronic systems
- Manufactured to Bell & Gossett’s exacting quality standards
Applications
- Hydronic heating and cooling systems
- Closed-loop circulator pump maintenance and repair
- Potable water recirculation systems
- Commercial and residential boiler systems
Why Choose OEM Bell & Gossett Parts?
Using genuine Bell & Gossett replacement components ensures compatibility, maintains system efficiency, and extends the service life of your circulator pump. The 118434LF impeller is the correct factory specification part, eliminating guesswork and reducing callbacks on hydronic service calls.







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