# Expansion Tanks The Bell & Gossett 1BN321LF PT-42V Non-ASME Potable Tanks are engineered for optimal performance in hydronic heating and cooling systems. Designed to efficiently manage and absorb excess water pressure within potable water systems, these expansion tanks are a vital component for maintaining system integrity and efficiency.
Key Features • **Capacity**: 42 gallons, providing ample volume for effective pressure control in various applications. • **Construction**: Made with high-quality materials that ensure durability and resistance to corrosion, enhancing longevity in demanding environments. • **Design**: Non-ASME certified, tailored specifically for potable water applications, ensuring compliance with relevant health and safety standards. • **Pressure Rating**: Operates effectively at a maximum pressure of 125 PSI, suitable for residential and commercial water systems. • **Temperature Range**: Capable of withstanding temperatures up to 200°F, making it adaptable for diverse operational conditions.
Applications • Ideal for use in **hydronic heating and cooling systems**, where maintaining stable pressure is critical for system performance. • Suitable for **potable water applications**, ensuring safe and reliable operation in residential and commercial settings. • Commonly utilized in **HVAC systems** to prevent water hammer and manage thermal expansion, enhancing overall system reliability.
Benefits • **Enhanced System Efficiency**: By absorbing excess pressure, the tank reduces stress on pipes and components, leading to improved system performance and longevity. • **Safety Assurance**: The tank’s construction and design prioritize safety, ensuring that potable water remains uncontaminated and compliant with health standards. • **Reduced Maintenance Costs**: Effective pressure management minimizes the risk of leaks and bursts, reducing potential maintenance and repair expenses. --- *Product information compiled with AI assistance for ref