Bell & Gossett 1BN331 - HFT-40V Hydronic Heating Expansion Tank
Bell & Gossett 1BN331 - HFT-40V Hydronic Heating Expansion Tank
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Efficiently manage thermal expansion in your hydronic heating system with the high-performance 1BN331 HFT-40V expansion tank from Bell & Gossett. Engineered to maintain consistent system pressure, this durable 20-gallon vessel protects your boiler and piping components from the damaging effects of water volume fluctuations caused by temperature changes.
This diaphragm-style tank features a pre-charged air cushion separated from the system water by a heavy-duty butyl rubber diaphragm. As the water in your heating system expands during the heating cycle, it pushes against the diaphragm, compressing the air cushion to absorb the excess volume, thereby preventing pressure spikes and potential relief valve discharge.
Key System Performance Baselines:
- Pressure Regulation: Effectively stabilizes fluctuating internal system pressures.
- Air Separation: Integrated design prevents oxygen from entering the system, reducing corrosion.
- Durable Construction: Heavy-gauge steel shell provides structural integrity and long-term reliability.
- System Compatibility: Ideal for residential and light commercial closed-loop hydronic heating applications.
ā ļø Application Profile: Recommended for closed-loop hydronic heating systems, radiant floor heating zones, and boiler baseboard heating circuits requiring reliable pressure control.
| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 1BN331 |
| Model Designation | HFT-40V |
| Tank Capacity | 20 Gallons |
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