Description
Bell & Gossett 103251 – NRF-22 Circulator Pump, 1/25 HP, 115V, Cast Iron, Flanged
Model: 103251 – NRF-22
Horsepower: 1/25 HP
Voltage: 115V
Max Flow: 22 GPM
Max Head: 15 ft
Connection Size: ¾", 1", 1¼", 1½" Flanged
Material: Cast Iron
Pump Type: Single-Speed Wet Rotor Circulator
Warranty: 3 Years
Overview:
The Bell & Gossett NRF-22 (103251) is a compact, efficient circulator pump designed for residential and light commercial hydronic heating systems. Featuring a durable cast iron body, wet rotor design, and flanged connections, the NRF-22 delivers up to 22 GPM at 15 ft of head, making it ideal for applications requiring quiet, maintenance-free performance.
Key Features:
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Maintenance-Free Wet Rotor Motor – Lubricated by system fluid for long-term reliability
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Quiet Operation – Impedance-protected motor ensures smooth, low-noise performance
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Compact Footprint – Ideal for tight mechanical rooms and retrofits
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Flexible Flange Options – Compatible with ¾", 1", 1¼", and 1½" flanged connections
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3-Year Manufacturer Warranty – Peace of mind with long-term coverage
Technical Specifications:
| Attribute | Details |
|---|---|
| Model Number | 103251 |
| Series | NRF-22 Red Fox |
| Horsepower | 1/25 HP |
| Voltage | 115V |
| Amperage | 0.8 A |
| Hertz | 60 Hz |
| RPM | 2940 |
| Phase | Single |
| Max Flow | 22 GPM |
| Flow Range | 0 – 22 GPM |
| Max Head | 15 ft |
| Head Range | 0 – 15 ft |
| Max Pressure | 150 PSI |
| Max Temperature | 240°F (Cast Iron Body) |
| Motor Type | Single-Speed, Impedance Protected |
| Body Material | Cast Iron |
| Connection Type | Flanged x Flanged |
| Connection Sizes | ¾", 1", 1¼", 1½" |
| Application | Hydronic Heating / Solar |
| Warranty | 3 Years |
Best Efficiency Point:
10 GPM @ 8 ft of Head
Applications:
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Baseboard and radiant heating systems
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Fan coil units
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Solar water heating systems
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Domestic hot water recirculation
