Description
Bell & Gossett 103252LF – NBF-22 Circulator Pump, 1/25 HP, 115V, Bronze, Lead-Free
Model: 103252LF – NBF-22
Horsepower: 1/25 HP
Voltage: 115V
Max Flow: 22 GPM
Max Head: 15 ft
Material: Bronze (Lead-Free)
Connection Type: Flanged x Flanged
Pump Type: Wet Rotor Circulator
Overview:
The Bell & Gossett 103252LF (NBF-22) is a compact, energy-efficient wet rotor circulator pump designed for hydronic heating systems and potable water applications. Its lead-free bronze construction makes it ideal for both residential and light commercial systems requiring compliance with potable water safety standards.
This pump delivers a maximum flow of 22 GPM and a head up to 15 feet, making it an excellent choice for low to medium flow zones.
Key Features:
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Lead-Free Bronze Housing – Safe for potable water systems and resistant to corrosion.
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Efficient Wet Rotor Design – Quiet operation and low power consumption (only 92 watts).
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Flanged x Flanged Connection – Compatible with 3/4", 1", 1-1/4", or 1-1/2" flanges.
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Single Speed Motor – Simple and reliable performance for closed-loop heating.
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Thermal Protection – Designed for safe, long-term operation at high temperatures.
Technical Specifications:
| Attribute | Details |
|---|---|
| Series / Model | NBF-22 |
| Model Number | 103252LF |
| Pump Type | Wet Rotor Circulator |
| Horsepower | 1/25 HP |
| Voltage | 115V |
| Amperage | 0.80 A |
| Wattage | 92 Watts |
| RPM | 2940 |
| Hertz | 60 Hz |
| Phase | 1 |
| Max Flow | 22 GPM |
| Flow Range | 0 – 22 GPM |
| Max Head | 15 ft |
| Head Range | 0 – 15 ft |
| Max Pressure | 150 PSI |
| Max Temperature | 230°F (110°C) |
| Material | Bronze (Lead-Free) |
| Connection Type | Flanged x Flanged |
| Compatible Flanges | 3/4", 1", 1-1/4", 1-1/2" |
| Application | Hydronic Heating, Potable Water |
Applications:
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Hydronic heating loops
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Zoned heating systems
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Domestic hot water recirculation
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Radiant floor heating
