Description
The Bell & Gossett 103257LF (Model NBF-8S/LW) is a high-quality, lead-free bronze wet rotor circulator engineered for dependable performance in residential and light commercial hydronic heating systems. Its compact, single-speed design and wet rotor construction eliminate the need for external bearings and seals, reducing maintenance requirements and extending service life.
Key Features
- Lead-free bronze construction — compliant with lead-free plumbing regulations
- Wet rotor design — water-lubricated bearings for quiet, maintenance-free operation
- Single-speed operation for straightforward installation and control
- 1/2″ sweat (solder) connections for easy integration into copper piping systems
- Compact, space-saving form factor ideal for residential and light commercial applications
Electrical Specifications
- Voltage: 115V AC
- Phase: Single Phase
- Speed: 2,800 RPM
- Full Load Amps: 0.39 A
- Power Consumption: 39 Watts
Plumbing Specifications
- Connection Type: 1/2″ Sweat (Solder)
- Body Material: Lead-Free Bronze
- Rotor Type: Wet Rotor
Applications
- Hot water baseboard heating systems
- Radiant floor heating loops
- Hydronic boiler distribution systems
- Domestic hot water recirculation
- Fan coil unit circulation
Trust Bell & Gossett’s proven engineering in the NBF-8S/LW circulator — a reliable, energy-efficient solution that meets modern lead-free standards while delivering consistent hydronic flow where it’s needed most.
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