Description
Bell & Gossett 1BN327 – HFT-30 Diaphragm Expansion Tank, 4.4 Gallons, 12 PSI Precharged
Product Highlights
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Tank Volume: 4.4 Gallons
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Connection Size: 1/2" Male NPT
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Max Working Pressure: 100 PSI
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Max Operating Temperature: 240°F
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Precharge: 12 PSI
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Construction: Non-ASME
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Ideal Use: Closed-loop hydronic heating systems
Product Description
The Bell & Gossett HFT-30 (Model 1BN327) is a compact and durable diaphragm-type expansion tank engineered for hydronic heating systems. Designed to handle thermal expansion in closed-loop systems, it helps maintain optimal pressure levels and safeguards components like boilers and valves from pressure-related damage.
With a factory precharge of 12 PSI, this tank installs quickly and performs reliably. Its internal diaphragm separates the air cushion from system water, eliminating the risk of waterlogging and ensuring consistent operation.
Perfect for residential installations or light commercial systems where space efficiency and reliability matter most.
Key Features
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Maintenance-free diaphragm design
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Prevents system pressure fluctuations
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Durable steel shell with corrosion-resistant internal components
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Factory precharged to 12 PSI
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Compact size for easy integration
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Non-ASME construction for residential use
Technical Specifications
| Specification | Details |
|---|---|
| Model Number | 1BN327 |
| Series | HFT-30 |
| Tank Volume | 4.4 Gallons |
| Precharge Pressure | 12 PSI |
| Max Working Pressure | 100 PSI |
| Max Operating Temperature | 240°F |
| System Connection | 1/2" Male NPT |
| Construction | Non-ASME |
| Application | Hydronic Heating Systems |
| Orientation | Vertical |
| Material | Steel with Internal Diaphragm |
