Description
The Bell & Gossett 1BN320LF (Model PT-30V) is a lead-free, diaphragm-style expansion tank engineered for potable hot water systems. Factory precharged to 38 PSI and rated for demanding residential and light commercial hydronic applications, this tank effectively absorbs thermal expansion to protect piping, fittings, and fixtures from damaging pressure surges.
Key Features
- 14.0-gallon tank volume provides ample capacity to manage thermal expansion in potable hot water systems
- 100 PSI maximum working pressure for reliable performance in high-demand installations
- 200°F maximum operating temperature — suited for hot water heating and domestic hot water applications
- Factory precharged to 38 PSI for quick, hassle-free installation
- Lead-free construction meets NSF/ANSI requirements for use in potable water systems
- Non-ASME construction for cost-effective compliance in standard residential and light commercial settings
- Durable diaphragm design separates system water from the air charge, maintaining consistent precharge pressure over time
Specifications
- Model: PT-30V
- SKU: 1BN320LF
- Tank Volume: 14.0 Gallons
- Maximum Working Pressure: 100 PSI
- Maximum Operating Temperature: 200°F
- Factory Precharge Pressure: 38 PSI
- Construction: Non-ASME
- Lead Free: Yes — suitable for potable hot water
- Tank Type: Diaphragm Expansion Tank
Application
The Bell & Gossett PT-30V is ideal for use in closed-loop domestic hot water and hydronic heating systems where thermal expansion must be controlled. Its lead-free design makes it a code-compliant choice wherever potable water contact is required. The pre-installed diaphragm eliminates waterlogging concerns and reduces maintenance, while the factory precharge simplifies commissioning on the job site.
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