Gol Expansion Heating Tanks (16-264 Gallon, 90 PSI)

Expansion Heating Tanks – High-Performance Hydronic System Pressure Control Tanks (16–264 Gallon, 90 PSI) The Expansion Heating Tanks are engineered to maintain stable pressure and accommodate thermal expansion in closed-loop hydronic heating systems. Designed for reliability and long service life, these tanks protect system components from excessive pressure buildup while ensuring efficient and consistent operation in residential, commercial, and industrial applications. Constructed from durable steel with a high-quality internal diaphragm, these tanks effectively separate air and water to prevent corrosion and maintain system efficiency. Rated for 90 PSI, they are built to handle demanding heating environments while delivering dependable performance over time. Available in a wide range of sizes from 16 gallons to 264 gallons, these expansion tanks offer flexibility for everything from small residential systems to large-scale commercial installations. Connection sizes range from 1″ to 2″, allowing for easy integration into various system configurations. Key Features & Benefits: Designed for hydronic heating system pressure control Durable steel construction for long-lasting performance Internal diaphragm design for efficient expansion management Rated for 90 PSI maximum working pressure Wide capacity range: 16 to 264 gallons Connection sizes from 1″ to 2″ for flexible installation Helps prevent overpressure and system damage Improves system efficiency and longevity Suitable for residential, commercial, and industrial applications Overview These Expansion Heating Tanks provide a reliable solution for managing thermal expansion in closed-loop heating systems. With a broad range of capacities, rugged construction, and consistent performance, they are essential components for maintaining system safety, efficiency, and long-term reliability. Note: The largest models (185 gallon and 264 gallon units) are special order items and are not typically stocked at the factory. Please allow an estimated 60–90 day lead time for delivery on these sizes. Technical Documents Brochure