Description
Bell & Gossett 1BL033 – PL-55 Cast Iron Booster Pump, 2/5 HP, 230V, Flanged, 1-Phase
Overview
The Bell & Gossett PL-55 (Model 1BL033) is a rugged, high-capacity booster pump engineered for optimal performance in hydronic heating, radiant flooring, and geothermal applications. Equipped with a 2/5 HP motor, 230V power, and flanged connections, the PL-55 is built to withstand demanding system conditions with quiet, energy-efficient operation.
This booster pump incorporates B&G's close-coupled dry-motor design, providing 25% greater efficiency than typical competitors. Its XL-11 permanently lubricated bearing system and carbon/silicon carbide shaft seal offer a long service life, even under aggressive water conditions. Ideal for residential or light commercial environments that demand high flow rates and pressure reliability.
Key Features
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2/5 HP, 230V single-phase motor delivers high-output performance
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Flanged x flanged configuration for secure, fast installation
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Max flow up to 50 GPM and head up to 52 ft—excellent for demanding applications
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Maintenance-free bearing system with permanent oil lubrication
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Balanced alloy steel rotor and stiff-shaft design enhance reliability
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Close-coupled layout improves efficiency and simplifies service
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Engineered seal system handles varied water quality with ease
Best For: Hydronic heating systems, geothermal loops, and radiant floor heat circuits
Specifications
| Attribute | Details |
|---|---|
| Model Number | 1BL033 (PL-55) |
| Horsepower | 2/5 HP |
| Voltage | 230V |
| Amperage | 2.4 A |
| Frequency | 60 Hz |
| Phase | 1-Phase |
| Pump Type | Booster Pump |
| Max Flow Rate | 50 GPM |
| Flow Range | 0 – 50 GPM |
| Max Head | 52 ft |
| Head Range | 0 – 52 ft |
| Connection Type | Flanged x Flanged |
| Connection Sizes | 3/4", 1", 1-1/4", 1-1/2" |
| Max Pressure | 150 PSI |
| Max Temperature | 225°F |
| Material | Cast Iron |
| Seal Material | Carbon/Silicon Carbide |
| Shaft Material | Stainless Steel w/ Alloy Steel Core |
| RPM | 3250 |
| Bearing System | XL-11, Permanently Lubricated |
| Applications | Hydronic, Radiant, Geothermal |
| Efficiency | 25% more efficient than competitors |
| Maintenance | Zero-maintenance operation |
