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Bell and Gossett 118431LF is a lead-free brass impeller for Series 100 circulator pumps, featuring a 2-3/4 inch outside diameter. The impeller is the rotating component that transfers mechanical energy from the motor to the fluid, generating centrifugal force to produce flow. It is a direct replacement part intended for repair and maintenance of Series 100 BI and Series 100 AB pump models.
Lead-free brass impeller, 2-3/4 inch diameter, compatible with Series 100 BI and 100 AB pumps
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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