Description
The Bell & Gossett 1BN319LF (Model PT-25V) is a lead free potable hot water diaphragm expansion tank engineered for reliable pressure management in residential and light commercial hydronic heating systems. Factory precharged to 38 PSI, this tank is ready for quick installation and is designed to absorb the thermal expansion of heated water, protecting system components from damaging pressure surges.
Key Features
- 10.3 gallon tank volume for effective pressure absorption in hot water systems
- 100 PSI maximum working pressure for safe, dependable operation
- 200°F maximum operating temperature suitable for hot water heating applications
- Factory precharged to 38 PSI for simplified, ready-to-install setup
- Lead free construction — compliant with potable water regulations and safe for drinking water systems
- Diaphragm design separates system water from the air charge, maintaining consistent precharge pressure
- Non-ASME construction for standard residential and light commercial installations
Product Specifications
- Model: PT-25V
- SKU: 1BN319LF
- Tank Volume: 10.3 Gallons
- Maximum Working Pressure: 100 PSI
- Maximum Operating Temperature: 200°F
- Factory Precharge Pressure: 38 PSI
- Construction: Non-ASME
- Application: Lead Free Potable Hot Water
- Tank Type: Diaphragm
Why Choose the Bell & Gossett PT-25V?
Bell & Gossett is a trusted name in hydronic heating and plumbing solutions. The PT-25V expansion tank is built to handle the demands of potable hot water systems while meeting lead free requirements for safe, code-compliant installations. The internal diaphragm keeps system water isolated from the pressurized air charge, ensuring long-term performance and eliminating the need for frequent recharging. Whether you are installing a new system or replacing an aging tank, the 1BN319LF delivers the reliability and quality that HVAC and plumbing professionals expect from Bell & Gossett.
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