Description
The Bell & Gossett 1BN318LF (Model PT-12) is a lead-free, diaphragm-style expansion tank engineered for potable hot water systems. Factory precharged and ready for installation, this tank reliably absorbs thermal expansion in closed-loop domestic hot water and hydronic heating applications, protecting system components from damaging pressure surges.
Key Features
- Lead-free construction — safe for potable hot water applications
- Diaphragm design separates system water from the air charge for consistent performance
- Factory precharged to 38 PSI for quick, hassle-free installation
- Non-ASME construction suitable for residential and light commercial use
- Durable steel shell with corrosion-resistant finish
- Accepts standard plumbing connections for easy integration into existing systems
Specifications
- Model: PT-12
- SKU: 1BN318LF
- Tank Volume: 4.4 Gallons
- Maximum Working Pressure: 150 PSI
- Maximum Operating Temperature: 200°F
- Factory Precharge Pressure: 38 PSI
- Construction: Non-ASME
- Fluid Compatibility: Lead-free potable hot water
Applications
- Residential and light commercial potable hot water systems
- Closed-loop hydronic heating systems
- Domestic hot water expansion control
- Thermal expansion management in water heater installations
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